PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10540967-4 1999 The obtained results indicate that 1,2,3,4-tetrahydro-beta-carbolin-1-ones containing 1-(o-methoxyphenyl)piperazine (1-3b) show pharmacological profile of 5-HT1A postsynaptic antagonists (with very weak agonistic component) and 5-HT2A antagonists, compound with 1,2,3,4-tetrahydroisoquinoline (2a) is a pure 5-HT1A postsynaptic antagonist. 1,2,3,4-tetrahydroisoquinoline 262-292 5-hydroxytryptamine receptor 1A Homo sapiens 155-161