June 23, 2008
Image of Drospirenone 3D Image of Drospirenone

Drospirenone is an unusual steroid with two annelated cyclopropane rings and 10 chiral centers. It is a component of some current oral contraceptive formulations and medications that control menopausal symptoms. Its biological properties were first reported in 1995 by R. Krattenmacher et al. in the journal Contraception.

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