1038-22-8 2-Ethynyl-2-hydroxy-A-norandrostan-17-one 2-alpha-Ethynyl-2-beta-hydroxy-A-nor-5-alpha-androstan-17-beta-one A-NOR-5-alpha-ANDROSTAN-17-beta-ONE, 2-alpha-ETHYNYL-2-beta-HYDROXY-