327097-20-1

ethyl 4-[3-(3-chlorophenyl)-1',3',4,6-tetraoxo-1',3',3a,4,6,6a-hexahydrospiro[furo[3,4-c]pyrrole-1,2'-inden]-5(3H)-yl]benzoate ethyl 4-(1-(3-chlorophenyl)-1',3',4,6(2'H)-tetraoxo-3a,4,6,6a-tetrahydrospiro[1H-furo[3,4-c]pyrrole-3,2'-(1'H)-indene]-5(3H)-yl)benzoate Benzoic acid, 4-[3-(3-chlorophenyl)-1',3',3a,4,6,6a-hexahydro-1',3',4,6-tetraoxospiro[1H-furo[3,4-c]pyrrole-1,2'-[2H]inden]-5(3H)-yl]-, ethyl ester