PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10498829-11 1999 Piperazines such as m-Chlorophenylpiperazine (mCPP), ORG-12962, MK-212 and also ORG-37684 exhibited a rank order of potency of 5-HT2C>5-HT2B>5-HT2A. 6-chloro-2-(1-piperazinyl)pyrazine 64-70 5-hydroxytryptamine receptor 2B Homo sapiens 137-143