4-(4-Methoxyphenyl)piperazine-1-carboxamide

(R)-tert-Butyl 4-(5-methyl-7-oxo-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl)piperazine-1-carboxylate

(R)-Piperazin-2-ylmethanol

Ethyl 4-isopropylpiperazine-1-carboxylate

tert-Butyl 4-(4-chloropyridin-2-yl)piperazine-1-carboxylate

Ethyl piperazine-1-carboxylate

(S)-(+)-2-Methylpiperazine

Benzyl 4-(2-hydroxyethyl)piperazine-1-carboxylate

6-(4-Methylpiperazin-1-yl)pyridazin-3-amine

1-Methyl-4-(piperidin-4-yl)piperazine