英文别名Spiro[1,3-dioxolane-2,1'(5'H)-indolizine]-7'-acetic acid, 6'-cyano-2',3'-dihydro-5'-oxo-, ethyl ester; Ethyl 2-(6-cyano-5-oxo-2,3-dihydro-5H-spiro[indolizine-1,2'-[1,3]dioxolan]-7-yl)acetate; Ethyl 6′-cyano-2′,3′-dihydro-5′-oxospiro[1,3-dioxolane-2,1′(5′H)-indolizine]-7′-acetate; 6-cyano-1,1-(ethylenedioxy)-7-[(ethoxycarbonyl)methyl]-5-oxo-Δ6(8)-tetrahydroindolizine; Ethyl (6'-cyano-5'-oxo-2',3'-dihydro-5'H-spiro[1,3-dioxolane-2,1'-indolizin]-7'-yl)acetate; ethyl 6-cyano-1,1-(ethylenedioxy)-5-oxo-1,2,3,5-tetrahydroindolizine-7-acetate; 6-cyano-1,1-(ethylenedioxy)-7-[(ethoxy-carbonyl)-methyl]-5-oxo-Delta6(8)-tetrahydroindolizine; ethyl (6'-cyano-2',3'-dihydro-5'-oxo-5'H-spiro[1,3-dioxolane-2,1'-indolizin]-7'-yl)acetate 
