(Z)-2,3-Dihydro-3-((1,1'-biphenyl)-4-ylmethylene)-4H-1-benzothiopyran-4-one 130689-02-0 4H-1-Benzothiopyran-4-one, 2,3-dihydro-3-((1,1'-biphenyl)-4-ylmethylene)-, (Z)- BRN 3618533