Emtricitabine Related Compounds & Impurities

Emtricitabine is a nucleoside reverse transcriptase inhibitor (NRTI) with potent anti-HIV and anti-HBV activity, used as a backbone of first-line antiretroviral combinations.

Simson Pharma Limited along with its subsidiary offices Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) is a trusted manufacturer and supplier of high-quality pharmaceutical reference standards, offering a comprehensive portfolio of Emtricitabine reference standards, pharmacopeial and non-pharmacopeial Emtricitabine impurities, related compounds, related substances, metabolites, stable isotope-labelled compounds, deuterium labelled compounds and nitrosamine (N-NO) reference standards.

These materials support pharmaceutical research and development, product development, ANDA and DMF submissions, quality control (QC), analytical method development and validation, stability studies, impurity identification, and genotoxic impurity assessment.

Our Emtricitabine-related reference standards are thoroughly characterized using advanced analytical techniques and are supplied with comprehensive Certificates of Analysis (COA) and supporting analytical data from our USFDA certified, ISO 17025 and ISO 17034 accredited Lab, to meet global regulatory expectations. EP and USP traceable reference standards can also be provided upon request, subject to availability. Simson is also a provider of EP and USP traceable standards. To ensure consistent quality and reliability, our reference standards are periodically re-tested according to established quality management procedures.

Pharmaceutical Reference Standards / Impurity Standards

Emtricitabine
Emtricitabine
  • CAT. No.E1270000
  • CAS. No.143491-57-0
  • Mol. F.C8H10FN3O3S
  • Mol. W.247.25 g/mol
  • Stock Status:Custom Synthesis
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Emtricitabine Racemic Mixture
Emtricitabine Racemic Mixture
  • CAT. No.E1270001
  • CAS. No.144371-00-6
  • Mol. F.C8H10FN3O3S
  • Mol. W.247.25 g/mol
  • Stock Status:Instock
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Emtricitabine
Emtricitabine
  • CAT. No.E190000
  • CAS. No.143491-57-0
  • Mol. F.C8H10FN3O3S
  • Mol. W.247.25 g/mol
  • Stock Status:Under Synthesis
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Emtricitabine Carboxylic Acid
Emtricitabine Carboxylic Acid
  • CAT. No.E190001
  • CAS. No.1238210-10-0
  • Mol. F.C8H8FN3O4S
  • Mol. W.261.23 g/mol
  • Stock Status:Instock
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Emtricitabine S-Oxide
Emtricitabine S-Oxide
  • CAT. No.E190002
  • CAS. No.152128-77-3
  • Mol. F.C8H10FN3O4S
  • Mol. W.263.25 g/mol
  • Stock Status:Instock
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(2S,5R) Emtricitabine Menthyl Ester
(2S,5R) Emtricitabine Menthyl Ester
  • CAT. No.E190003
  • CAS. No.147126-75-8
  • Mol. F.C18H26FN3O4S
  • Mol. W.399.48 g/mol
  • Stock Status:Instock
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Emtricitabine 5-Fluorouracil Analog Impurity
Emtricitabine 5-Fluorouracil Analog Impurity
  • CAT. No.E190005
  • CAS. No.145986-11-4
  • Mol. F.C8H9FN2O4S
  • Mol. W.248.23 g/mol
  • Stock Status:Under Synthesis
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Emtricitabine Menthyl Ester Impurity
Emtricitabine Menthyl Ester Impurity
  • CAT. No.E190007
  • CAS. No.764659-72-5
  • Mol. F.C18H26FN3O4S
  • Mol. W.399.48 g/mol
  • Stock Status:Instock
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Emtricitabine Enantiomer
Emtricitabine Enantiomer
  • CAT. No.E190008
  • CAS. No.137530-41-7
  • Mol. F.C8H10FN3O3S
  • Mol. W.247.25 g/mol
  • Stock Status:Instock
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Emtricitabine O-beta-D-Glucuronide Sodium Salt
Emtricitabine O-beta-D-Glucuronide Sodium Salt
  • CAT. No.E190009
  • CAS. No.NA
  • Mol. F.C14H17FN3NaO9S
  • Mol. W.445.35 g/mol
  • Stock Status:Under Synthesis
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Emtricitabine Tenofovir Disoproxil Dimer
Emtricitabine Tenofovir Disoproxil Dimer
  • CAT. No.E190012
  • CAS. No.1962114-98-2
  • Mol. F.C28H40FN8O13PS
  • Mol. W.778.70 g/mol
  • Stock Status:Instock
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Emtricitabine Tenofovir Monosoproxil Dimer
Emtricitabine Tenofovir Monosoproxil Dimer
  • CAT. No.E190012A
  • CAS. No.NA
  • Mol. F.C23H32FN8O10PS
  • Mol. W.662.58 g/mol
  • Stock Status:Custom Synthesis
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Emtricitabine Trans-Cyclic Impurity
Emtricitabine Trans-Cyclic Impurity
  • CAT. No.E190013
  • CAS. No.NA
  • Mol. F.C8H9FN2O4S
  • Mol. W.248.23 g/mol
  • Stock Status:Instock
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Emtricitabine cis-Cyclic Impurity
Emtricitabine cis-Cyclic Impurity
  • CAT. No.E190014
  • CAS. No.NA
  • Mol. F.C8H9FN2O4S
  • Mol. W.248.23 g/mol
  • Stock Status:Limited Stock
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Emtricitabine Impurity 7
Emtricitabine Impurity 7
  • CAT. No.E190016
  • CAS. No.23283-97-8
  • Mol. F.C10H20O
  • Mol. W.156.30 g/mol
  • Stock Status:Instock
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(+)-Menthol
(+)-Menthol
  • CAT. No.E190017
  • CAS. No.15356-60-2
  • Mol. F.C10H20O
  • Mol. W.156.27 g/mol
  • Stock Status:Instock
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(+)-Neomenthol
(+)-Neomenthol
  • CAT. No.E190018
  • CAS. No.2216-52-6
  • Mol. F.C10H20O
  • Mol. W.156.27 g/mol
  • Stock Status:Custom Synthesis
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2-epi-Emtricitabine
2-epi-Emtricitabine
  • CAT. No.E190019
  • CAS. No.145416-34-8
  • Mol. F.C8H10FN3O3S
  • Mol. W.247.25 g/mol
  • Stock Status:Instock
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Emtricitabine Disulfide
Emtricitabine Disulfide
  • CAT. No.E190020
  • CAS. No.2331211-44-8
  • Mol. F.C16H18F2N6O4S4
  • Mol. W.524.61 g/mol
  • Stock Status:Limited Stock
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Emtricitabine 5-Fluorouracil Analog
Emtricitabine 5-Fluorouracil Analog
  • CAT. No.E190021
  • CAS. No.145986-11-4
  • Mol. F.C8H9FN2O4S
  • Mol. W.248.23 g/mol
  • Stock Status:Instock
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Emtricitabine Dimer Impurity
Emtricitabine Dimer Impurity
  • CAT. No.E190022
  • CAS. No.1962114-97-1
  • Mol. F.C17H20F2N6O6S2
  • Mol. W.506.50 g/mol
  • Stock Status:Custom Synthesis
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Emtricitabine Impurity 6
Emtricitabine Impurity 6
  • CAT. No.E190023
  • CAS. No.20752-34-5
  • Mol. F.C10H20O
  • Mol. W.156.27 g/mol
  • Stock Status:Custom Synthesis
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Emtricitabine Impurity 8
Emtricitabine Impurity 8
  • CAT. No.E190024
  • CAS. No.64282-88-8
  • Mol. F.C10H20O
  • Mol. W.156.26 g/mol
  • Stock Status:Custom Synthesis
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Emtricitabine Impurity 9
Emtricitabine Impurity 9
  • CAT. No.E190025
  • CAS. No.20752-33-4
  • Mol. F.C10H20O
  • Mol. W.156.26 g/mol
  • Stock Status:Custom Synthesis
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(-)-Neomenthol
(-)-Neomenthol
  • CAT. No.E190026
  • CAS. No.20747-49-3
  • Mol. F.C10H20O
  • Mol. W.156.26 g/mol
  • Stock Status:Custom Synthesis
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Emtricitabine Isomer -2
Emtricitabine Isomer -2
  • CAT. No.E190027
  • CAS. No.NA
  • Mol. F.C8H9FN2O4S
  • Mol. W.248.23 g/mol
  • Stock Status:Custom Synthesis
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5-Fluoro-3`-thia-2`,3`-dideoxyuridine
5-Fluoro-3`-thia-2`,3`-dideoxyuridine
  • CAT. No.E190028
  • CAS. No.145281-92-1
  • Mol. F.C8H9FN2O4S
  • Mol. W.248.23 g/mol
  • Stock Status:Custom Synthesis
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5-epi Emtricitabine
5-epi Emtricitabine
  • CAT. No.E190029
  • CAS. No.145986-26-1
  • Mol. F.C8H10FN3O3S
  • Mol. W.247.25 g/mol
  • Stock Status:Instock
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Emtricitabine Methyl Ester
Emtricitabine Methyl Ester
  • CAT. No.E190030
  • CAS. No.NA
  • Mol. F.C9H10FN3O4S
  • Mol. W.275.26 g/mol
  • Stock Status:Instock
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(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl(2R,5R)-5-methoxy-1,3-oxathiolane-2-carboxylate
(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl(2R,5R)-5-methoxy-1,3-oxathiolane-2-carboxylate
  • CAT. No.E190033
  • CAS. No.1091585-26-0
  • Mol. F.C15H26O4S
  • Mol. W.302.43 g/mol
  • Stock Status:Custom Synthesis
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(2R,5S)-((1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl)-5-(5-fluoro-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-1,3-oxathiolate
(2R,5S)-((1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl)-5-(5-fluoro-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-1,3-oxathiolate
  • CAT. No.E190034
  • CAS. No.NA
  • Mol. F.C18H25FN2O5S
  • Mol. W.400.46 g/mol
  • Stock Status:Custom Synthesis
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Emtricitabine Isopropyl Carbamate
Emtricitabine Isopropyl Carbamate
  • CAT. No.E190035
  • CAS. No.NA
  • Mol. F.C12H16FN3O5S
  • Mol. W.333.34 g/mol
  • Stock Status:Instock
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Emtricitabine-Tenofovir Disoproxil Fumarate
Emtricitabine-Tenofovir Disoproxil Fumarate
  • CAT. No.E190036
  • CAS. No.202138-50-9
  • Mol. F.C19H30N5O10P.C4H4O4
  • Mol. W.635.51 g/mol
  • Stock Status:Custom Synthesis
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Emtricitabine-Tenofovir Alafenamide Hemifumarate
Emtricitabine-Tenofovir Alafenamide Hemifumarate
  • CAT. No.E190037
  • CAS. No.1392275-56-7
  • Mol. F.2(C46H62N12O14P2).C4H4O4
  • Mol. W.1069.00 g/mol
  • Stock Status:Custom Synthesis
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Emtricitabine Uracil Impurity
Emtricitabine Uracil Impurity
  • CAT. No.E190038
  • CAS. No.1422361-25-8
  • Mol. F.C18H25FN2O5S
  • Mol. W.400.46 g/mol
  • Stock Status:Custom Synthesis
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Emtricitabine Impurity 24
Emtricitabine Impurity 24
  • CAT. No.E190042
  • CAS. No.1773498-61-5
  • Mol. F.C18H26FN3O4S
  • Mol. W.399.48 g/mol
  • Stock Status:Custom Synthesis
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4-amino-5-fluoro-1-[(2R,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2(1H)-one
4-amino-5-fluoro-1-[(2R,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2(1H)-one
  • CAT. No.E190043
  • CAS. No.NA
  • Mol. F.C8H10FN3O3S
  • Mol. W.247.25 g/mol
  • Stock Status:Custom Synthesis
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(-)-Beta-D-Dioxolane-5-fluoro Cytidine
(-)-Beta-D-Dioxolane-5-fluoro Cytidine
  • CAT. No.E190044
  • CAS. No.145397-26-8
  • Mol. F.C8H10FN3O4
  • Mol. W.231.19 g/mol
  • Stock Status:Limited Stock
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Emtricitabine Impurity 19
Emtricitabine Impurity 19
  • CAT. No.E190046
  • CAS. No.1962114-95-9
  • Mol. F.C17H22FN8O6PS
  • Mol. W.516.44 g/mol
  • Stock Status:Custom Synthesis
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Emtricitabine Impurity 18
Emtricitabine Impurity 18
  • CAT. No.E190047
  • CAS. No.1962115-01-0
  • Mol. F.C18H24FN8O7PS
  • Mol. W.546.47 g/mol
  • Stock Status:Custom Synthesis
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Emtricitabine Desamino Impurity
Emtricitabine Desamino Impurity
  • CAT. No.E190061
  • CAS. No.1055312-45-2
  • Mol. F.C8H9FN2O3S
  • Mol. W.232.23 g/mol
  • Stock Status:Custom Synthesis
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Emtricitabine Glycosamine
Emtricitabine Glycosamine
  • CAT. No.E190062
  • CAS. No.NA
  • Mol. F.C20H30FN3O13S
  • Mol. W.571.53 g/mol
  • Stock Status:Custom Synthesis
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(2S,5S)-Emtricitabine Carboxylic Acid
(2S,5S)-Emtricitabine Carboxylic Acid
  • CAT. No.E190063
  • CAS. No.NA
  • Mol. F.C8H8FN3O4S
  • Mol. W.261.23 g/mol
  • Stock Status:Custom Synthesis
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Emtricitabine Sulfoxide Isomer 1
Emtricitabine Sulfoxide Isomer 1
  • CAT. No.E190065
  • CAS. No.1160303-44-5
  • Mol. F.C8H10FN3O4S
  • Mol. W.263.25 g/mol
  • Stock Status:Instock
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Emtricitabine Sulfoxide Isomer 2
Emtricitabine Sulfoxide Isomer 2
  • CAT. No.E190066
  • CAS. No.2101981-64-8
  • Mol. F.C8H10FN3O4S
  • Mol. W.263.25 g/mol
  • Stock Status:Instock
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Emtricitabine Diastereomer (RS ISOMER )
Emtricitabine Diastereomer (RS ISOMER )
  • CAT. No.E190067
  • CAS. No.143491-54-7
  • Mol. F.C8H10FN3O3S
  • Mol. W.247.25 g/mol
  • Stock Status:Instock
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Emtricitabine Isomer -1
Emtricitabine Isomer -1
  • CAT. No.E190069
  • CAS. No.NA
  • Mol. F.C8H9FN2O4S
  • Mol. W.248.23 g/mol
  • Stock Status:Custom Synthesis
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Emtricitabine Glycosamine
Emtricitabine Glycosamine
  • CAT. No.E190070
  • CAS. No.NA
  • Mol. F.C20H30FN3O13S
  • Mol. W.571.53 g/mol
  • Stock Status:Custom Synthesis
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Emtricitabine+Des-Phenol Tenofovir Alfenamide Mixed Dimer
Emtricitabine+Des-Phenol Tenofovir Alfenamide Mixed Dimer
  • CAT. No.E190071
  • CAS. No.NA
  • Mol. F.C9H8BrNO4
  • Mol. W.659.63 g/mol
  • Stock Status:Custom Synthesis
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Emtricitabine Carboxylic Acid Relative
Emtricitabine Carboxylic Acid Relative
  • CAT. No.E190072
  • CAS. No.161683-19-8
  • Mol. F.C8H8FN3O4S
  • Mol. W.261.23 g/mol
  • Stock Status:Custom Synthesis
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(2S,5R)-Emtricitabine Carboxylic Acid
(2S,5R)-Emtricitabine Carboxylic Acid
  • CAT. No.E190073
  • CAS. No.NA
  • Mol. F.C8H8FN3O4S
  • Mol. W.261.23 g/mol
  • Stock Status:Custom Synthesis
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(2S,5S) Emtricitabine Menthyl Ester
(2S,5S) Emtricitabine Menthyl Ester
  • CAT. No.E190074
  • CAS. No.147027-01-8
  • Mol. F.C18H26FN3O4S
  • Mol. W.399.50 g/mol
  • Stock Status:Custom Synthesis
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Emtricitabine Impurity 3
Emtricitabine Impurity 3
  • CAT. No.E190075
  • CAS. No.1246819-86-2
  • Mol. F.C16H18F2N6O4S4
  • Mol. W.524.61 g/mol
  • Stock Status:Custom Synthesis
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Emtricitabine Resolution Mixture
Emtricitabine Resolution Mixture
  • CAT. No.E190076
  • CAS. No.NA
  • Mol. F.2(C8H10FN3O3S)
  • Mol. W.494.49 g/mol
  • Stock Status:Custom Synthesis
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Emtricitabine sulfoxide Isomer 3
Emtricitabine sulfoxide Isomer 3
  • CAT. No.E190077
  • CAS. No.NA
  • Mol. F.C8H10FN3O4S
  • Mol. W.263.25 g/mol
  • Stock Status:Custom Synthesis
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Emtricitabine Impurity 1
Emtricitabine Impurity 1
  • CAT. No.E190078
  • CAS. No.2518282-37-4
  • Mol. F.C8H8FN3O5
  • Mol. W.245.16 g/mol
  • Stock Status:Custom Synthesis
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Emtricitabine 5-Fluorouracil Analog(Rel)
Emtricitabine 5-Fluorouracil Analog(Rel)
  • CAT. No.E190079
  • CAS. No.143790-05-0
  • Mol. F.C8H9FN2O4S
  • Mol. W.248.20 g/mol
  • Stock Status:Custom Synthesis
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Isotope Labelled Compounds

Emtricitabine-13C,15N2
Emtricitabine-13C,15N2
  • CAT. No.E190010
  • CAS. No.1217820-69-3
  • Mol. F.C713CH10FN15N2O3S
  • Mol. W.250.23 g/mol
  • Stock Status:Custom Synthesis
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Emtricitabine 15N, D2
Emtricitabine 15N, D2
  • CAT. No.E190011
  • CAS. No.143491-57-0(Unlabeled)
  • Mol. F.C8H8D2FN215NO3S
  • Mol. W.250.25 g/mol
  • Stock Status:Instock
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Emtricitabine-d3,15N
Emtricitabine-d3,15N
  • CAT. No.E190059
  • CAS. No.NA
  • Mol. F.C8H7D3FN215NO3S
  • Mol. W.251.26 g/mol
  • Stock Status:Custom Synthesis
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Emtricitabine D3
Emtricitabine D3
  • CAT. No.E190068
  • CAS. No.NA
  • Mol. F.C8H7FN3O3SD3
  • Mol. W.250.27 g/mol
  • Stock Status:Custom Synthesis
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