acetic acid,4-trimethylsilyloxybut-2-en-1-ol

三对苯甲基膦

3-oxo-3-phenyl-2-(triphenylphosphoranylidene-hydrazono)-propionic acid methyl ester

(Z/E)-4-[4-(dimethylamino)benzylidene]-2-phenyl-1,3-oxazol-5(4H)-one

benzil-mono-(triphenylphosphoranylidene-hydrazone)