PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31935810-2 2020 Herein, the synthesis of a macromolecular spirocyclic phosphorus/nitrogen-containing IFR poly sulfonamide spirocyclic pentaerythritol bisphosphonate (SAPC) is reported via a two-step method that uses pentaerythritol, phosphorus oxychloride and sulfonamide (SAA) as raw materials. Phosphorus 42-64 serum amyloid A1 cluster Homo sapiens 257-260