1,3-二甲基-2-(4-甲基苯基)咪唑烷

1,4-dimethyl-2,3-dihydroquinoxaline

1,3-二甲基-2-(4-氯苯基)咪唑烷

N,N'-二甲基-N,N'-二亚硝基乙二胺

2-[2-[2-hydroxyethyl(methyl)amino]ethyl-methylamino]ethanol