PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1373170-5 1992 C3a stimulated the generation of inositol polyphosphates that was inhibited by either pertussis toxin or benzalkonium chloride. Benzalkonium Compounds 105-126 complement C3 Homo sapiens 0-3