PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33444019-0 2021 Reactivity Trends in the Gas-Phase Addition of Acetylene to the N-Protonated Aryl Radical Cations of Pyridine, Aniline, and Benzonitrile. pyridine 101-109 gastrin Homo sapiens 25-28 33444019-4 2021 This paper investigates the gas-phase ion-molecule reactions of acetylene with nine aromatic distonic sigma-type radical cations derived from pyridinium (Pyr), anilinium (Anl), and benzonitrilium (Bzn) ions. pyridine 142-152 gastrin Homo sapiens 28-31