英文别名
                        tert-butyl N-[(1S)-1-[3-[1-[2-(cyclopropylamino)-2-oxo-acetyl]butylcarbamoyl]-3,3a,4,5,6,6a-hexahydro-1H-cyclopenta[c]pyrrole-2-carbonyl]-2,2-dimethyl-propyl]carbamate;tert-butyl N-[(2S)-1-[3-[[1-(cyclopropylamino)-1,2-dioxohexan-3-yl]carbamoyl]-3,3a,4,5,6,6a-hexahydro-1H-cyclopenta[c]pyrrol-2-yl]-3,3-dimethyl-1-oxobutan-2-yl]carbamate