[2-(4,5-Dimethyl-2-thiazolyl)diazenyl]phenylmethanone 2-phenylhydrazone23305-68-2100 % similar 1,3,5-Triphenylformazan531-52-253 % similar Diphenylcarbazone538-62-533 % similar Dithizone60-10-633 % similar Acetylphenylhydrazine114-83-033 % similar 2,4,5-Trimethylthiazole13623-11-531 % similar