Arbidol Impurity 2 Catalogue A124312 CAS 151455-33-3 M.W 493.42 M.F C22H25BrN2O4S Specifications FAQs ethyl 6-bromo-4-((dimethylamino)methyl)-5-hydroxy-1-methyl-2-((phenylsulfinyl)methyl)-1H-indole-3-carboxylate