Synonyms:
(r)-sitagliptin n-boc-acid impurity ; (r)-boc-3-amino-4-(2,4,5-trifluorophenyl)butanoicacid ; sitagliptin intermediate ; boc-(r)-3-amino-4-(2,4,5-trifluorophenyl)butanoic acid ; boc-(r)-3-amino-4-(2,4,5-trifluoro-phenyl)-butyric acid ; sitagliptin intermediateb ; parecoxib sodium api ; sitagliptin intermediate 1 ; (r)-n-boc-3-amino-4-(2,4,5-trifluorophenyl)butanoic acid ; (r)-n-boc-3-amino-4-(2,4,5-trifluorophenyl)butanoic