PMID-sentid Pub_year Sent_text compound_name comp_offset prot_official_name organism prot_offset 24313651-1 2013 Reactions of the 2-phosphaethynolate anion (PCO(-), 1) with ammonium salts quantitatively yielded phosphinecarboxamide (PH2C(O)NH2, 2). 2-phosphaethynolate anion 17-42 PCOS1 Homo sapiens 44-53