133117-02-9 3-(2-Ethoxyethyl)-2-(3-(morpholin-4-yl)propyl)-3H-imidazo(4,5-b)pyridine difumarate 3H-Imidazo(4,5-b)pyridine, 3-(2-ethoxyethyl)-2-(3-(4-morpholinyl)propyl)-, (E)-2-butenedioate (1:2)