354156-04-0

diethyl 8-ethoxy-5,5-dimethyl-2,5'-diphenyl-5,6-dihydrospiro(1H-thiopyrano[2,3-c]quinoline-1,2'-[1,3]-dithiole)-3,4'-dicarboxylate diethyl 8'-ethoxy-5',5'-dimethyl-2',5-diphenyl-5',6'-dihydrospiro[1,3-dithiole-2,1'-thiopyrano[2,3-c]quinoline]-3',4-dicarboxylate Spiro[1,3-dithiole-2,1'-[1H]thiopyrano[2,3-c]quinoline]-3',4-dicarboxylic acid, 8'-ethoxy-5',6'-dihydro-5',5'-dimethyl-2',5-diphenyl-, 3',4-diethyl ester