Piperazines

(4-methylpiperazin-1-yl)(3-nitrophenyl)methanone

Methyl 4-[2-(4-benzylpiperazino)ethoxy]-benzenecarboxylate

tert-Butyl 4-(3-bromophenylsulfonyl)piperazine-1-carboxylate

1-(5-Bromopyridin-2-yl)-4-isopropylpiperazine

1-(butylsulfonyl)piperazine

4-bromo-2-(4-methylpiperazin-1-yl)thiazole

N-Cyclopropyl-2-(piperazin-1-yl)nicotinamide

1-(m-tolyl)piperazin-2-one

4-cyclohexylpiperazin-1-amine

N,N-dimethyl-2-(piperazin-1-yl)nicotinamide

1-Boc-4-(carboxy-p-tolyl-methyl)-piperazine

2-(m-tolyl)piperazine

1-(2-Phenylethyl)piperazine-2,6-dione

3-(4-Methylpiperazin-1-yl)propanoic acid hydrochloride

1-Boc-4-(carboxy-thiophen-2-yl-methyl)-piperazine

methyl 4-methylpiperazine-1-carboxylate