1-(4-Phenyl-5-(phenylmethylene)-4,5-dihydro-1,3,4-selenadiazol-2-yl)ethanone 147878-14-6 2-Benzylidene-3-phenyl-5-acetyl-1,3,4-selenadiazole Ethanone, 1-(4-phenyl-5-(phenylmethylene)-4,5-dihydro-1,3,4-selenadiazol-2-yl)-