17.alpha.-Hydroxyprogesterone caproate 17.alpha.-Hydroxyprogesterone hexanoate 17.alpha.-Hydroxyprogesterone n-caproate 630-56-8 Delalutin Depo-proluton Estralutin HPC Hormofort Hydroxyprogesterone caproate Hydroxyprogesterone hexanoate Hyproval Kaprogest Lutate NSC17592 Neolutin forte Pregn-4-ene-3,20-dione, 17-[(1-oxohexyl)oxy]- Pregn-4-ene-3,20-dione, 17-hydroxy-, hexanoate Primolut Depot Proge Progesterone caproate Progesterone, 17-hydroxxy-, hexanoate Progesterone, 17-hydroxy-, hexanoate Proluton Depot Relutin Syngynon component of Deluteval 2X