336175-73-6

tetramethyl 6'-benzoyl-9'-methoxy-5',5'-dimethyl-5',6'-dihydrospiro[1,3-dithiole-2,1'-(1'H)-thiopyrano[2,3-c]quinoline]-2',3',4,5-tetracarboxylate tetramethyl 9'-methoxy-5',5'-dimethyl-6'-(phenylcarbonyl)-5',6'-dihydrospiro[1,3-dithiole-2,1'-thiopyrano[2,3-c]quinoline]-2',3',4,5-tetracarboxylate Spiro[1,3-dithiole-2,1'-[1H]thiopyrano[2,3-c]quinoline]-2',3',4,5-tetracarboxylic acid, 6'-benzoyl-5',6'-dihydro-9'-methoxy-5',5'-dimethyl-, tetramethyl ester (9CI)