Synonyms: 13,17-Secoandrosta-1,4-dien-17-oicacid, 13-hydroxy-3-oxo-, d-lactone (6CI,8CI);D-Homo-17a-oxaandrosta-1,4-diene-3,17-dione;Testololactone, 1-dehydro- (7CI);1,2-Dehydrotestololactone;1,2-Didehydrotestololactone;1-Dehydrotestololactone;17a-Oxa-D-homo-1,4-androstadiene-3,17-dione;2H-Phenanthro[2,1-b]pyran-2,8(4bH)-dione,3,4,4a,5,6,10a,10b,11,12,12a-decahydro-10a,12a-dimethyl-, [4aS-(4aa,4bb,10ab,10ba,12ab)]-;Testolacton;D1-Dehydrotestololactone;D1-Testololactone;