87857-42-9 BRL 26830A Benzoic acid, 4-(2-((2-hydroxy-2-phenylethyl)amino)propyl)-, methyl ester, (R*,R*)-(+-)-, (E)-2-butenedioate (2:1) (salt) Brl 26830 Brl-26830A Methyl 4-(2-((2-hydroxy-2-phenethyl)amino)propyl)benzoate-2-butanedioate