(6?,17?)-6,17-Dihydroxy-19-norpregn-4-en-20-yn-3-one; 6?,17?-Dihydroxy-17?-ethynylestr-4-en-3-one; 6?,17?-Dihydroxy-19-nor-17?-pregn-4-en-20-yn-3-one; 6?-Hydroxynorethindrone; 6?-Hydroxynorethisterone; Norethisterone Impurity H (EP); Norethindrone EP Impurity H;6?-Hydroxy Norethindrone; (Norethindrone Impurity H)
(6?,17?)-6,17-Dihydroxy-19-norpregn-4-en-20-yn-3-one; 6?,17?-Dihydroxy-17?-ethynylestr-4-en-3-one; 6?,17?-Dihydroxy-19-nor-17?-pregn-4-en-20-yn-3-one; 6?-Hydroxynorethindrone; 6?-Hydroxynorethisterone; Norethisterone Impurity H (EP); Norethindrone EP Impurity H;6?-Hydroxy Norethindrone; (Norethindrone Impurity H)