Chlormadinone Acetate EP Impurity I

Chemical Name: (8R,9S,10R,13S,14S,17R)-17-acetyl-6-chloro-3-ethoxy-10,13-dimethyl-2,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl acetate

Synonym: 6-Chloro-3-ethoxy-20-oxopregna-3,5-dien-17-yl acetate ;