1-(4-methylphenyl)-3-phenylurea

tetramethyl 6-phenylpyridine-2,3,4,5-tetracarboxylate

4-甲基-3,5-二硝基苯甲醛

(5Z)-5-(4-Methylbenzylidene)-1,3-thiazolidine-2,4-dione

2,4'-二甲基苯丙酮