... -1,4-diene-3,17-dione (Steroids) English Synonyms: delta-1,4-androstadiene-3,17-dione;ANDROSTADIENDIONE;ANDROSTADIENEDIONE;ANDROSTA-1,4-DIENE-3,17- ... CYCLOPENTA[A]PHENANTHRENE-3,17-DIONE;1-DEHYDROANDROSTENEDIONE;1,4-ANDROSTADIEN-3,17-DIONE;1,4-ANDROSTADIENE-3,17-DIONE CAS NO.: 897 ... Simplified hormonal drugs, from the testis or urine extracted with the role of a male hormone steroids, norethisterone, ...