英文别名1-(tert-butyl) 2-methyl (R)-4,4-difluoropyrrolidine-1,2-dicarboxylate; 1-O-tert-butyl 2-O-methyl (2R)-4,4-difluoropyrrolidine-1,2-dicarboxylate; methyl (R)-1-tert-butoxycarbonyl-4,4-difluoropyrrolidine-2-carboxylate; 1-tert-butyl 2-methyl (2R)-4,4-difluoropyrrolidine-1,2-dicarboxylate; O1-tert-Butyl O2-methyl (2R)-4,4-difluoropyrrolidine-1,2-dicarboxylate; N-Boc-4,4-difluoro-D-proline Methyl Ester; 1,2-Pyrrolidinedicarboxylic acid, 4,4-difluoro-, 1-(1,1-dimethylethyl) 2-methyl ester, (2R)- 
