PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 27032192-3 2016 All lanostane triterpenoids (1-16) possesses a carboxy group at C-20 position and their strength of antiproliferative activity was affected by the presence or absence of a hydroxy group at C-15 position and at the side chain. triterpenoids 14-27 placenta associated 8 Homo sapiens 189-193