4,6-dimethyl-2-phenylpyrimidin-5-ol

2-甲基-7-甲基氨基-8-硝基-喹喔啉

2-methyl-6-methylamino-5-nitroquinoxaline

2-氧代-丙醛 1-(二甲基腙)

丙酮醛二(N4-甲基缩氨基硫脲)