136440-73-8 Androsta-1,4-diene-17-carboxylic acid, 17-((ethoxycarbonyl)oxy)-11-hydroxy-3-oxo-, fluoromethyl ester, (11beta,17alpha)- Fech-androst Fluoromethyl 17-ethoxycarbonyloxy-11-hydroxyandrosta-1,4-dien-3-one-17-carboxylate