4-(4-((4'-Chloro-4,4-dimethyl-3,4,5,6-tetrahydro-[1,1'-biphenyl]-2-yl)methyl)piperazin-1-yl)benzoic acid
4-(4-Ethylpiperazin-1-ylmethyl)benzoic acid
2-(4-Methyl-2-phenylpiperazin-1-yl)nicotinic acid
1-(2-Methylbenzyl)piperazine-2-carboxylic acid hydrochloride
2-(4-(tert-Butoxycarbonyl)piperazin-1-yl)thiazole-4-carboxylic acid
(R)-1-Boc-Piperazine-3-carboxylic acid
2-((2S,5S)-5-Benzyl-3,6-dioxopiperazin-2-yl)acetic acid
(R)-Piperazine-2-carboxylic acid dihydrochloride
Piperazine-2-carboxylic acid
Piperazine-2-carboxylic acid dihydrochloride
3-(4-Methylpiperazin-1-yl)propanoic acid dihydrochloride
(R)-1-Boc-Piperazine-2-carboxylic acid
1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4-(tert-butoxycarbonyl)piperazine-2-carboxylic acid
1-(2-Cyanobenzyl)piperazine-2-carboxylic acid hydrochloride
1-(4-Cyanobenzyl)piperazine-2-carboxylic acid hydrochloride
3-(4-Ethylpiperazin-1-yl)propanoic acid
4-(tert-Butoxycarbonyl)-1-(3-methylthiophene-2-carbonyl)piperazine-2-carboxylic acid
4-(tert-Butoxycarbonyl)-1-(6-(diethylamino)pyrimidin-4-yl)piperazine-2-carboxylic acid
4-(tert-Butoxycarbonyl)-1-(6-ethoxypyrimidin-4-yl)piperazine-2-carboxylic acid
(E)-4-(4-Methylpiperazin-1-yl)but-2-enoic acid hydrochloride
