- Sitagliptin impurity 6/Sitagliptin FP Impurity B/Sitagliptin Triazecine Analog/10-(2,4,5-Trifluorobenzyl)-3-(trifluoromethyl)-6,7,10,11-tetrahydro [1,2,4] triazolo [3,4-c][1,4,7]triazecine-8,12(5H,9H)-dione 2088771-61-1 马上询价
- Sitagliptin impurity 7/Sitagliptin FP Impurity C/Sitagliptin Styryl Analogue/3-Desamino-3,4-Dehydro Sitagliptin/(3E)-1-[3-(Trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl)but-3-en-1-on 1803026-58-5 马上询价
- Sitagliptin impurity 8/Sitagliptin FP Impurity D/3-Desamino-2,3-Dehydro Sitagliptin/(2E)-1-[3-(Trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl)but-2-en-1-one 1253056-18-6 马上询价
- Sitagliptin impurity 9/Sitagliptin FP Impurity E/Sitagliptin Acid/(3R)-3-Amino-4-(2,4,5-trifluorophenyl)butanoic acid 936630-57-8 马上询价
- Sitagliptin impurity 10/Sitagliptin N-Boc Impurity/tert-butyl (R)-(4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)carbamate 486460-23-5 马上询价
- Sitagliptin impurity 11/Sitagliptin Ketoamide Impurity/Sitagliptin dioxo impurity/(2Z)-4-Oxo-4-[3-(trifluoroMethyl)-5,6-dihydro-[1,2,4] triazolo[4,3-a]pyrazine-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-one 764667-65-4 马上询价
- Sitagliptin impurity 12/Sitagliptin Enamine Impurity/(2Z)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)but-2-en-2-amine 767340-03-4 马上询价
- Sitagliptin impurity 13/Sitagliptin-N-sulfate/(R)-(4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-yl)sulfamic acid 940002-57-3 马上询价
- Sitagliptin impurity 14/Sitagliptin N-Acetyl Impurity/N-Acetyl Sitagliptin/7-[(3R)-3-[(N-Acetyl)amino]-1-oxo-4-(2,4,5-trifluorophenyl)butyl]-5,6,7,8-tetrahydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazine 1379666-94-0 马上询价
- Sitagliptin impurity 16/(R)-Sitagliptin Defluoro Impurity 3/(R)-b-(Boc-amino)-2,4-difluorobenzenebutanoic acid 851307-12-5 马上询价
- Sitagliptin impurity 17/Sitagliptin Defluoro Impurity 4/3-((tert-butoxycarbonyl)amino)-4-(2,5-difluorophenyl)butanoic acid 1271773-97-7 马上询价
- Sitagliptin impurity 18/(S)-Sitagliptin N-Boc-Acid Impurity/(S)-3-((tert-butoxycarbonyl)amino)-4-(2,4,5-trifluorophenyl)butanoic acid 922178-94-7 马上询价
- Sitagliptin impurity 19/(R)-Sitagliptin N-Boc-Acid Impurity/(R)-3-((tert-butoxycarbonyl)amino)-4-(2,4,5-trifluorophenyl)butanoic acid 486460-00-8 马上询价
- Sitagliptin impurity 20/(R)-3-Boc-amino-4-phenylbutyric acid 101555-61-7 马上询价
- Sitagliptin impurity 21/(R)-Sitagliptin Methyl-Ester Impurity/methyl (R)-3-amino-4-(2,4,5-trifluorophenyl)butanoate 881995-69-3 马上询价
- Sitagliptin impurity 22(R)-3-(tert-Butoxycarbonylamino)-4-(3,4-difluorophenyl)butanoic acid 269396-59-0 马上询价
