fˈoːɹ haɪdɹˈɑːksɪlˌeɪɾᵻd ˈæktɪv mətˈæbəlˌaɪts wɪð ɹᵻdˈuːst æktˈɪvᵻɾi ɹˈɛlətˌɪv tə dʒˈɛstɹɪnˌɑːn hɐvbɪn fˈaʊnd təbi fˈɔːɹmd.
Four hydroxylated active metabolites with reduced activity relative to gestrinone have been found to be formed.