(Z)-2,3-Dihydro-6-chloro-3-((3,4-dimethoxyphenyl)methylene)-4H-1-benzothiopyran-4-one 130689-09-7 4H-1-Benzothiopyran-4-one, 2,3-dihydro-6-chloro-3-((3,4-dimethoxyphenyl)methylene)-, (Z)- BRN 3623669