6β-Hydroxylevonorgestrel,(6R,8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-6,17-dihydroxy-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one,6β-Hydroxylevonorgestrel is an impurity from the synthesis of Levonorgestrel , an oral contraceptive.,Levonorgestrel