4-(hydroxy-(4-((4-(((1-naphthalenylamino)-oxomethoxy)methyl)phenyl)methylamino)butyl)amino)-4-oxo-2-butenoic acid methyl ester
4-(hydroxy-(4-((4-(((1-naphthalenylamino)-oxomethoxy)methyl)phenyl)methylamino)butyl)amino)-4-oxo-2-butenoic acid methyl ester