31560-21-1

y)pyrrolidine-2-carbo#215 (2S,4R)-Methyl 1-benzoyl-4-(tosylo#215 (2S,4R)-Methyl 1-benzoyl-4-(tosylo×y)pyrrolidine-2-carbo×ylate (2S,4R)-Methyl 1-benzoyl-4-(tosyloxy)pyrrolidine-2-carboxylate (2S,4R)-Methyl 1-benzoyl-4-(tosylo×y)pyrrolidine-2-carbo×ylate USP/EP/BP L-Proline, 1-benzoyl-4-[[(4-methylphenyl)sulfonyl]oxy]-, methyl ester, (4R)- methyl(2S,4R)-1-benzoyl-4-(4-methylphenyl)sulfonyloxypyrrolidine-2-carboxylate