86640-30-4 Dibenz(b,e)(1,4)oxazepine-11-ethanamine, 5,11-dihydro-N,N,5-trimethyl-, (+-)-, (E)-2-butenedioate (1:1) dl-11-(2-N-Dimethylaminoethyl)-5-methyl-dibenzo(b,e)(1,4)oxazepine fumarate