PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23351115-7 2013 KEY RESULTS: One indolecarboxamide (75) with a nitro substituent on position R7 of the aromatic ring displayed an equal preference for the Galphai and beta-arrestin2 pathway and was classified as unbiased hH4R ligand. nitro 47-52 arrestin beta 2 Homo sapiens 151-165