methylpiperazine,piperazine
Piperazine
55326-13-1(e)-but-2-enedioic Acid;1-(3-chloro-5,6-dihydrobenzo[b][1]benzothiepin-5-yl)-4-pyridin-4-ylpiperazine
96122-36-0(z)-but-2-enedioic Acid;1-[2-[(2-chloro-6,11-dihydrobenzo[c][1]benzothiepin-11-yl)oxy]ethyl]piperazine