trans-(2R,3R)-2-(4-methylphenyl)-3-phenyl oxirane

4-p-tolyl-but-3-enoic acid

N-p'-methylbenzylidene-o-phenylenediamine

(E)-2-oxo-4-p-tolylbut-3-enoic acid

methyl 3-oxo-2-(p-tolyl)butanoate