3-((4aR,4bS,6aS,7S,7aS,8aS,8bS,8cR,8dR,9aR)-7-hydroxy-4a,6a-dimethyl-2-oxo-3,4,4a,4b,5,6,6a,7,7a,8,8a,8b,8c,8d,9,9a-hexadecahydro-2H-cyclopropa[4,5]cyclopenta[1,2-a]cyclopropa[l]phenanthren-7-yl)propanoic acid,3-((4aR,4bS,6aS,7S,7aS,8aS,8bS,8cR,8dR,9aR)-7-hydroxy-4a,6a-dimethyl-2-oxo-3,4,4a,4b,5,6,6a,7,7a,8,8a,8b,8c,8d,9,9a-hexadecahydro-2H-cyclopropa[4,5]cyclopenta[1,2-a]cyclopropa[l]phenanthren-7-yl)propanoic acid,Drospirenone Impurity