英文别名(S)-1-[2-(Boc-amino)acetyl]-4,4-difluoropyrrolidine-2-carbonitrile; Carbamic acid, N-[2-[(2S)-2-cyano-4,4-difluoro-1-pyrrolidinyl]-2-oxoethyl]-, 1,1-dimethylethyl ester; tert-butyl (S)-(2-(2-cyano-4,4-difluoropyrrolidin-1-yl)-2-oxoethyl)carbamate; 1,1-Dimethylethyl N-[2-[(2S)-2-cyano-4,4-difluoro-1-pyrrolidinyl]-2-oxoethyl]carbamate; 2-Methyl-2-propanyl {2-[(2S)-2-cyano-4,4-difluoro-1-pyrrolidinyl]-2-oxoethyl}carbamate 
