(Z)-2,3-Dihydro-3-(1,3-benzodioxol-5-ylmethylene)-6-methoxy-4H-1-benzothiopyran-4-one 130689-05-3 4H-1-Benzothiopyran-4-one, 2,3-dihydro-3-(1,3-benzodioxol-5-ylmethylene)-6-methoxy-, (Z)- BRN 3625959