2,5,8,11-四甲基-5,6,11,12-四氢-二苯并[b,f][1,5]二氮杂环辛四烯

2-(dimethylamino)-5-methylphenyl acetate

1,2-dimethyl-1,2-dip-tolylhydrazine

4-(甲基氨基)苯甲酸