2-alpha-Ethynyl-17-alpha-methyl-A-norandrostane-2-beta,17-beta-diol 52-73-3 A-NORANDROSTANE-2-beta,17-beta-DIOL, 2-alpha-ETHYNYL-17-alpha-METHYL- Dicyclopenta[a,f]naphthalene, A-norandrostane-2,17-diol deriv