Chemical Name: 3-hydroxy-2-pentanoylestra-1,3,5(10)-trien-17β-yl pentanoate (as per EP)
Synonym: (1S,3R,9R,10R,13R,14R,17S)-17-(6-hydroxy-6-methylheptan-2-yl)-10,13-dimethyl-2,3,4,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene-1,3-diol