1-(1-Thiazol-2-yl-ethyl)-piperazine hydrochloride, 98+% C9H16ClN3S, MW: 233.76
1-(4-chloro-2-methylphenyl)-4-(pyridin-3-ylcarbonyl)piperazine hydrochloride
1-(azulen-1-ylcarbonyl)-4-methylpiperazine hydrochloride
1-(3,4-dimethylphenyl)-4-(3,4,5-trimethoxybenzyl)piperazine hydrochloride