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Sitagliptin intermediate CAS No.762240-92-6
3-(Trifluoromethyl)-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyrazine monohydrochloride
Sitagliptin intermediate CAS No.486460-00-8
Boc-(R)-3-Amino-4-(2,4,5-trifluorophenyl)butanoic acid