(Z)-2,3-Dihydro-3-((2-methoxyphenyl)methylene)-4H-1-benzothiopyran-4-one 1,1-dioxide 132794-02-6 4H-1-Benzothiopyran-4-one, 2,3-dihydro-3-((2-methoxyphenyl)methylene)-, 1,1-dioxide, (Z)-