PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 29197540-2 2018 Compounds 3 and 4 are structurally characterized as intact lanostane-type triterpenoids containing unusual 1,2-diketone functionality at C-11 and C-12, while compound 10 is a 24-methylene-lanostane. triterpenoids 74-87 RNA polymerase III subunit K Homo sapiens 137-141