(1-Methyl-2-((1-oxo-9-octadecenyl)amino)ethyl) hydrogen maleate 2-Butenedioic acid (2Z)-, mono(1-methyl-2-(((9Z)-1-oxo-9-octadecenyl)amino)ethyl) ester 67815-89-8 EINECS 267-201-5 Mono(2-oleoylamido-1-methylethyl)maleate