13451-60-0 4-Phenyl-1-(beta-(1-pyrrolidinyl)phenethyl)isonipecotic acid ethyl ester maleate (1:2) ISONIPECOTIC ACID, 4-PHENYL-1-(beta-(1-PYRROLIDINYL)PHENETHYL)-, ETHYL ESTER, MA Isonipecotic acid, 4-phenyl-1-(beta-(1-pyrrolidinyl)phenethyl)-, ethyl ester, maleate (1:2)