顺式-2,3-降冰片烷二羧酸酐

Bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid,dimethyl ester,(endo,endo)

降冰片烯二酸酐

(3AR,4S,7R,7AS) 4,7-亚甲基-1H-异吲哚-1,3(2H)-二酮