1-甲基-4-(2-吡啶基)哌嗪

1-(5-氨基-2-甲氧基苯基)-4-甲基哌嗪

2-[2-methyl-4-(5-methyl-1,3,4-thiadiazol-2-yl)piperazin-1-yl]acetamide

tris(4-methylpiperazin-1-yl)silane

1-[[5-(4-chlorophenyl)-2-methyl-1-phenylpyrrol-3-yl]methyl]-4-methylpiperazine