英文别名
tetramethyl 7',7'-dimethyl-4',5'-dioxo-4',5'-dihydro-7'H-spiro[1,3-dithiole-2,11'-pyrrolo[3,2,1-ij]thiopyrano[2,3-c]quinoline]-4,5,9',10'-tetracarboxylate;tetramethyl 8',8'-dimethyl-10',11'-dioxospiro[1,3-dithiole-2,3'-6-thia-9-azatetracyclo[7.6.1.02,7.012,16]hexadeca-1(16),2(7),4,12,14-pentaene]-4,4',5,5'-tetracarboxylate