(R)-Benzyl 2-methyl-3-oxopiperazine-1-carboxylate

5-(2-Ethoxy-5-(piperazin-1-ylsulfonyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one

2-(1-(4-(2-(4-Chlorophenoxy)acetyl)piperazin-1-yl)ethyl)-3-(2-ethoxyphenyl)quinazolin-4(3H)-one

Methyl 2-(piperazin-2-yl)acetate dihydrochloride

4-Ethylpiperazin-2-one hydrochloride

1-Isopropylpiperazine

tert-Butyl 4-aminopiperazine-1-carboxylate

(R)-1-Boc-3-Propylpiperazine

(R)-tert-Butyl 3-isobutylpiperazine-1-carboxylate

4-(6-(4-(Piperazin-1-yl)phenyl)pyrazolo[1,5-a]pyrimidin-3-yl)quinoline