DImethyl 2-(6-ethoxy-2,2-dimethyl-3-thioxo-2,3-dihydroquinolin-4(1h)-ylidene)-1,3-dithiole-4,5-dicarboxylate 5g

DImethyl 2-(6-ethoxy-2,2-dimethyl-3-thioxo-2,3-dihydroquinolin-4(1h)-ylidene)-1,3-dithiole-4,5-dicarboxylate 5g