PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7511692-7 1994 The trimethylammonium salts of the complexes were tested for their ability to inhibit the interaction between gp120 and CD4 using a cell-free system. Cetrimonium 4-21 CD4 molecule Homo sapiens 120-123