A-Nor-5a-androstan-17-one, 2a-ethynyl-2-hydroxy- (7CI,8CI);A-Norandrostan-17-one, 2-ethynyl-2-hydroxy-, (2b,5a)- (9CI); Dicyclopenta[a,f]naphthalene, A-norandrostan-17-one deriv.
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