| Synonyms: | 21-hydroxy-20-methylpregn-4-en-3-one;20-(Hydroxymethyl)pregna-4-ene-3-one;20-Hydroxymethylpregn-4-en-3-one;2O-Hydroxymethyl-4-pregnen-3-on;Progesterone Impurity 2;Pregn-4-en-3-one, 21-hydroxy-20-methyl-;21-hydroxy-20-methylpregn-4-en-3-one[BA];(8S,9S,10R,13S,14S,17R)-17-(1-hydroxypropan-2-yl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one |