PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2588305-1 1989 Condensation of C22 and C21 steroidal aldehydes with ethyl 4,6-dimethyl-2-oxo-2H-pyran-5-carboxylate 1 in alkaline medium, followed by decarboxylation, provides a simple route to the alpha, beta-unsaturated side-chain delta-lactone synthesis for a classical withanolide precursor. unsaturated 195-206 TBL1X/Y related 1 Homo sapiens 24-27