has role 5alpha-androst-1-ene-3,17-dione PMID:8655514 5alpha-androst-1-ene-3,17-dione PMID:23090723 delta1-5alpha-Androstene-3,17-dione CAS:571-40-4 CHEBI:133930 PMID:17123559 chebi_ontology 1-Androstenedione Reaxys:3085323 PMID:22350385 A 3-oxo Delta(1)-steroid that is androst-1-ene substituted by oxo groups at positions 3 and 17. PMID:21310167 PMID:25797375 Delta(1)-androstene-3,17-dione 17-oxo steroid 3-oxo-Delta(1) steroid androstanoid human urinary metabolite