1-(4-nitrobenzoyl)-1,4-diazepane

1-(1,4-diazepan-1-yl)-2-ethylbutan-1-one

1-(2-chloro-5-nitrobenzoyl)-1,4-diazepane

1-(3-methylpiperazin-1-yl)butan-1-one

1-cyclohexanecarbonyl-3-methylpiperazine

1-cyclopropanecarbonyl-3-methylpiperazine

1-(4-tert-butylbenzoyl)-3-methylpiperazine

1-(4-bromobenzoyl)-3-methylpiperazine

1-(3-methylpiperazin-1-yl)nonan-1-one

1-(2-chlorobenzoyl)-2-methylpiperazine

2-methyl-1-(thiophene-2-carbonyl)piperazine