for the following products
(2,3,5,16,17)-17-Acetoxy-3-hydroxy-2-(4-morpholinyl)-16-(1-pyrrolidinyl)androstane | (2,3,5,16,17)-17-Acetoxy-3-hydroxy-5-androstane | (2beta,3alpha,5alpha,16beta,17beta)-17-Acetoxy-3-hydroxy-2-(4-morpholinyl)-16-(1-pyrrolidinyl)androstane | 2beta-(4-Morpholinyl)-16beta-(1-pyrrolidinyl)-5alpha-androstane-3alph,17beta-diol 17-acetate | Rocuronium Bromide LK-8 | Rocuronium ep impurity a and (2b,3a,5a,16b,17b)-17-Acetoxy-3-hydroxy-2-(4-morpholinyl)-16-(1-pyrrolidinyl)androstane
