Progesterone, 17-hydroxy-, heptanoate (6CI); 17a-Heptyloylpregn-4-ene-3,20-dione;Heptanoic acid, ester with 17-hydroxypregn-4-ene-3,20-dione (8CI);17a-Hydroxyprogesterone heptanoate;Pregn-4-ene-3,20-dione,17-[(1-oxoheptyl)oxy]- (9CI);Pregn-4-ene-3,20-dione,17-hydroxy-, heptanoate (7CI,8CI); 

Progesterone 3-acetate; NSC 124740;Pregna-3,5-dien-20-one,3-hydroxy-, acetate (6CI,7CI,8CI);Pregna-3,5-dien-20-one,3-(acetyloxy)- (9CI); 

Pregn-4-ene-3,20-dione,11b,17-dihydroxy-6a-methyl- (7CI,8CI); NSC 53892; Progesterone,11b,17-dihydroxy-6a-methyl- (6CI); 6a-Methyl-11b,17a-dihydroxyprogesterone; U 7655; 6a-Methyl-21-desoxycortisol;Pregn-4-ene-3,20-dione,11,17-dihydroxy-6-methyl-, (6a,11b)-; 

NSC 48620;Progesterone,4-chloro-17-hydroxy- (6CI);Pregn-4-ene-3,20-dione,4-chloro-17-hydroxy- (7CI,8CI,9CI); 

Progesterone, 9-chloro-11b-hydroxy- (6CI); SC 5848;Pregn-4-ene-3,20-dione,9-chloro-11b-hydroxy- (7CI,8CI);Pregn-4-ene-3,20-dione,9-chloro-11-hydroxy-, (11b)- (9CI); 

14a-Hydroxy-4-pregnene-3,20-dione; 14a-Hydroxyprogesterone; 14-Hydroxy-4-pregnene-3,20-dione; NSC 70802;Pregn-4-ene-3,20-dione,14-hydroxy-;Progesterone,14-hydroxy- (6CI); 14-Hydroxyprogesterone; 

Hydromadinone;Pregn-4-ene-3,20-dione,6a-chloro-17-hydroxy- (8CI);Progesterone, 6a-chloro-17-hydroxy-(6CI);Pregn-4-ene-3,20-dione,6-chloro-17-hydroxy-, (6a)-; 

2H-Naphth[2',1':4,5]indeno[1,2-d][1,3]dioxole, pregn-4-ene-3,20-dione deriv.;16a,17-Isopropylidenedioxy-6a-methylprogesterone; NSC 56948;Pregn-4-ene-3,20-dione,6-methyl-16,17-[(1-methylethylidene)bis(oxy)]-, (6a,16a)- (9CI); Progesterone, 16a,17-dihydroxy-6a-methyl-, cyclic 16,17-acetal with acetone (6CI);Pregn-4-ene-3,20-dione,16a,17-dihydroxy-6a-methyl-, cyclic acetal with acetone(7CI,8CI); 

Progesterone, 9-bromo-11b,17-dihydroxy-, 17-acetate (6CI);Pregn-4-ene-3,20-dione,17-(acetyloxy)-9-bromo-11-hydroxy-, (11b)- (9CI);Pregn-4-ene-3,20-dione,9-bromo-11b,17-dihydroxy-, 17-acetate(7CI,8CI); 

Pregn-4-ene-3,20-dione,6b-bromo- (8CI); 6b-Bromopregn-4-ene-3,20-dione; 6b-Bromoprogesterone; Progesterone, 6b-bromo- (6CI);Pregn-4-ene-3,20-dione,6-bromo-, (6b)-; 

Progesterone-20-methoxime;Progesterone,20-(O-methyloxime) (8CI);Pregn-4-ene-3,20-dione,20-(O-methyloxime) (9CI); 

Progesterone-3,20-dimethoxime;Pregn-4-ene-3,20-dione bis(O-methyl oxime);pregn-4-ene-3,20-dione bis(o-methyl oxime);Progesterone bis(O-methyl oxime);Progesterone bis(O-methyloxime); 

Progesterone,21-chloro- (6CI); 21-Chloroprogesterone; 21-Chloro-4-pregnene-3,20-dione;Pregn-4-ene-3,20-dione,21-chloro- (8CI,9CI); 

Progesterone 17a-hydroperoxide;Pregn-4-ene-3,20-dione,17-hydroperoxy- (8CI,9CI);17a-Hydroperoxyprogesterone; 

11a-(Bromoacetoxy)progesterone; CGP10945;Pregn-4-ene-3,20-dione,11-[(bromoacetyl)oxy]-, (11a)- (9CI); 

21-(Bromoacetoxy)progesterone;Pregn-4-ene-3,20-dione,21-hydroxy-, bromoacetate (8CI);Pregn-4-ene-3,20-dione,21-[(bromoacetyl)oxy]- (9CI); 

4-Pregnen-6b-ol-3,20-dione 6-hemisuccinate;Progesterone-6b-hemisuccinate;Pregn-4-ene-3,20-dione,6-(3-carboxy-1-oxopropoxy)-, (6b)-; 

21-Diazoprogesterone;Progesterone,21-diazo- (6CI);Pregn-4-ene-3,20-dione,21-diazo- (9CI); 

progesterone 11-hemisuccinate; 

progesterone 11-hemisuccinate-(2-iodohistamine);Pregn-4-ene-3,20-dione,11-[4-[[2-(1H-imidazol-4-yl)ethyl]amino]-1,4-dioxobutoxy]-, (11a)- (9CI);