Androsta-1,4-diene-3,17-dione (Steroids) English Synonyms: delta-1,4-androstadiene-3,17-dione;ANDROSTADIENDIONE;ANDROSTADIENEDIONE;ANDROSTA-1,4-DIENE-3,17-DIONE;(8R,9S,10R,13S ... ,15,16-DECAHYDRO-6H-CYCLOPENTA[A]PHENANTHRENE-3,17-DIONE;1-DEHYDROANDROSTENEDIONE;1,4-ANDROSTADIEN-3,17-DIONE;1,4-ANDROSTADIENE-3,17-DIONE CAS NO.: 897-06 ...