11H-Dibenzo(b,e)(1,4)dioxepin-11-ethanamine, N-(1-methylethyl)-, (+-)-, (E)-2-butenedioate (1:1) 81320-46-9 N-Isopropyl 2-(dibenzo(b,e) 1,4-dioxepin-11-yl)ethylamine fumarate [French]