The molecule is a C18 steroid with 5beta-configuration formed from nandrolone by reduction across the C4-C5 double bond. It has a role as a human metabolite. It is a 17beta-hydroxy steroid and a 3-oxo-5beta-steroid. It derives from a hydride of a 5beta-estrane.
(5R,8R,9R,10S,13S,14S,17S)-17-hydroxy-13-methyl-2,4,5,6,7,8,9,10,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-one