PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17434649-7 2008 Furthermore, the C-17 spiro-epoxide analogues (ent-5 and ent-6) of ent-3 and ent-4, respectively, have activities comparable to those of steroids 1 and 2. Steroids 137-145 solute carrier family 29 member 3 Homo sapiens 67-72