英文别名
(R)-((S)-2-(6'-cyano-5'-oxo-3',5'-dihydro-2'H-spiro[[1,3]dioxolane-2,1'-indolizine]-7'-yl)-1-ethoxy-1-oxobutan-2-yl) 1-tosylpyrrolidine-2-carboxylate;ethyl (S)-2--2-<6-cyano-1,1-(ethylenedioxy)-5-oxo-1,2,3,5-tetrahydroindolizin-7-yl>butanoate;Ethyl (S)-6-cyano-α-ethyl-1,1-(ethylenedioxy)-α-[(R)-1-(p-toluenesulfonyl)pyrrolidin-2-yl-carbonyloxy]-5-oxo-1,2,3,5-tetrahydroindolizine-7-acetate;Ethyl (S)-6-cyano-α-ethyl-1,1-(ethylenedioxy)-α-[(R)-1-(p-toluenesulfonyl)pyrrolidin-2-ylcarbonyloxy]-5-oxo-1,2,3,5-tetrahydroindolizine-7-acetate;ethyl (S)-2-(N-tosyl-(R)-prolyloxy)-2-[6-cyano-1,1-(ethylenedioxy)-5-oxo-1,2,3,5-tetrahydroindolizin-7-yl]butanoate;Ethyl (S)-6-cyano-alpha-ethyl-1,1-(ethylenedioxy)-alpha-[(R)-1-(p-toluenesulfonyl)pyrrolidin-2-ylcarbonyloxy]-5-oxo-1,2,3,5-tetrahydroindolizine-7-acetate;[(2S)-2-(6'-cyano-5'-oxospiro[1,3-dioxolane-2,1'-2,3-dihydroindolizine]-7'-yl)-1-ethoxy-1-oxobutan-2-yl] (2R)-1-(4-methylphenyl)sulfonylpyrrolidine-2-carboxylate