(Z)-2,3-Dihydro-6-methoxy-3-((4-methoxyphenyl)methylene)-4H-1-benzothiopyran-4-one 130689-04-2 4H-1-Benzothiopyran-4-one, 2,3-dihydro-6-methoxy-3-((4-methoxyphenyl)methylene)-, (Z)- BRN 3622313