PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 9218680-3 1997 YM992 and trazodone attenuated 5-HT2A/2C receptor agonist-induced head-twitches in mice, indicating that these drugs had 5-HT2A receptor antagonistic activity. Trazodone 10-19 5-hydroxytryptamine (serotonin) receptor 2C Mus musculus 31-49