Rocuronium Bromide STD-[(2S,3S,5S,8R,9S,10S,13S,14S,16S,17R)-3-hydroxy-10,13-dimethyl-2-morpholin-4-yl-16-(1-prop-2-enylpyrrolidin-1-ium-1-yl)-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl] acetate bromide; 1-((2S,3S,5S,8R,9S,10S,13S,14S,16S,17R)-17-acetoxy-3-hydroxy-10,13-dimethyl-2-morpholinohexadecahydro-1H-cyclopenta[a]phenanthren-16-yl)-1-allylpyrrolidinium bromide; 1-[17'-(Acetyloxy)-3a-hydroxy-2'-(morpholin-4-yl)-5a-androstan-16'-yl]-1-(prop-2-enyl)pyrrolidinium bromide; Pyrrolidinium, 1-[(2β,3α,5α,16β,17β)-17-(acetyloxy)-3- hydroxy-2-(4-morpholinyl)androstan-16-yl]-1- (2-propenyl)-, bromide; 1-Allyl-1-(3α,17β-dihydroxy-2β-morpholino-5α-androstan-16β-yl)pyrrolidinium bromide, 17-acetate (USP): Rocuronium-IMP-A-[(2S,3S,5S,8R,9S,10S,13S,14S,16S,17R)-3-hydroxy-10,13-dimethyl-2-morpholin-4-yl-16-pyrrolidin-1-yl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl] acetate: Rocuronium-IMP-B-1-[3a,17beta-Bis(acetyloxy)-2beta-(morpholin-4-yl)-5a-androstan-16beta-yl]-1-(prop-2-enyl)pyrrolidinium Bromide: Rocuronium-IMP-C-(2S,3S,5S,8R,9S,10S,13S,14S,16S,17R)-10,13-dimethyl-2-morpholin-4-yl-16-(1-prop-2-enylpyrrolidin-1-ium-1-yl)-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol bromide: Rocuronium-IMP-F-[(2S,3S,5S,8R,9S,10S,13S,14S,16S,17R)-17-acetyloxy-10,13-dimethyl-16-(1-prop-2-enylpyrrolidin-1-ium-1-yl)-2-pyrrolidin-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: Rocuronium-IMP-G- 2beta-(morpholin-4-yl)-16beta-(pyrrolidin-1-yl)-5a-androstane3a,17beta-diol: Rocuronium-IMP-H-[(5R,8R,9R,10S,13S,14R,16S,17R)-10,13-dimethyl-2-morpholin-4-yl-3-oxo-16-(1-prop-2-enylpyrrolidin-1-ium-1-yl)-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl] acetate bromide