Synonyms: 1-(3-alpha-Hydroxy-20-oxo-5-alpha-pregnan-2-beta-yl)-1-methylpyrrolidinium bromide acetate;3-alpha-Acetoxy-2-beta-pyrrolidin-1'-yl-5-alpha-pregnan-20-one methobromide;Pyrrolidinium, 1-(3-alpha-hydroxy-20-oxo-5-alpha-pregnan-2-beta-yl)-1-methyl-, bromide, acetate;AC1L4DTR;LS-138411;[(2S,3S,5S,8R,9S,10S,13S,14S,17S)-17-acetyl-10,13-dimethyl-2-(1-methylpyrrolidin-1-ium-1-yl)-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl] acetate bromide;17224-53-2