(2-氨基苯基)(4-甲基-1-哌嗪基)甲酮

(4-methylpiperazin-1-yl)-(2-phenylsulfanylphenyl)methanone

1-[(2-bromo-4-nitrophenyl)methyl]-4-methylpiperazine

2-(4-甲基-1-哌嗪)-5-硝基嘧啶

5-(4-methylpiperazin-1-yl)pyrazin-2-amine