258267-22-0

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