英文别名methyl (2S)-4,4-difluoropyrrolidine-2-carboxylate; (S)-Methyl 4,4-difluoropyrrolidine-2-carboxylate 2,2,2-trifluoroacetate; (S)-methyl 4,4-difluoropyrrolidine-2-carboxylate TFA; Methyl 4,4-Difluoro-L-proline trifluoroacetate; (S)-methyl-4,4-difluoropyrrolidine-2-carboxylate trifluoroacetate; methyl (2S)-4,4-difluoropyrrolidine-2-carboxylate,2,2,2-trifluoroacetic acid 
