80221-57-4 Quinoline, 6-methoxy-4-(2-(3-methyl-4-piperidinyl)ethyl)-, trans-(+-)-, (E)-2-butenedioate trans-(+-)-6-Methoxy-4-(2-(3-methyl-4-piperidinyl)ethyl)quinoline trans-(+-)-6-Methoxy-4-(2-(3-methyl-4-piperidyl)ethyl)quinoline fumarate