Abiraterone 3,5 Cyclo Impurity

 (3aR,3bS,5aS,8aS,8bR)-3a,5a-dimethyl-6-(pyridin-3-yl)-1,1a,2,3,3a,3b,4,5,5a,8,8a,8b,9,10-tetradecahydrocyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-10-ol.