17-[(1-Oxohexyl)oxy]-19-norpregn-4-ene-3,20-dione; Hexanoic Acid Ester with 17-hydroxy-19-norpregn-4-ene-3,20-dione; 17-Hydroxy-19-norpregn-4-ene-3,20-dione Hexanoate; 17?-Hydroxy-19-norprogesterone Caproate; 17?-Acetyl-17-hydroxyestr-4-ene-3-one Hexanoate; 19-Nor-17?-caproyloxy-4-pregnene-3,20-dione; 19-Norpregn-4-ene-3,20-dione 17-Caproate; Depostat; Gestonorone Capronate; Gestronol Caproate; Gestronol Hexanoate;