PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1116594-1 1975 The preparation of quaternary ammonium derivatives of sulfanilamide and of tertiary amines containing an aliphatic chain up to c-18 is described. quaternary ammonium 19-38 Bardet-Biedl syndrome 9 Homo sapiens 127-131