Formoterol EP Impurity H Catalogue F640578 CAS 2514947-17-0 M.W 434.54 M.F C26H30N2O4 Specifications FAQs Synonyms:N-(5-(2-(benzyl(1-(4-methoxyphenyl)propan-2-yl)amino)-1-hydroxyethyl)-2-hydroxyphenyl)formamide