5,6-dimethyl-2-(4-methylphenyl)-1,3-oxazin-4-one

5-methyl-2-(4-methylphenyl)-6-phenyl-1,3-oxazin-4-one

6-methyl-2-(4-methylphenyl)-5-phenyl-1,3-oxazin-4-one

3-[3-(4-甲基苯基)-1,2,4-恶二唑-5-基]苯胺

2-对甲苯噁唑-4-羧酸乙酯