diethyl 6'-benzoyl-9'-methoxy-5',5'-dimethyl-5',6'-dihydrospiro(1,3-dithiole-2,1'-[1'H]-thiopyrano[2,3-c]quinoline)-3',4-dicarboxylate | diethyl 6'-benzoyl-9'-methoxy-5',5'-dimethyl-5',6'-dihydrospiro(1,3-dithiole-2,1'-[1'H]-thiopyrano[2,3-c]quinoline)-3',4-dicarboxylate | 352658-47-0 |