1-Benzoxepin-5(2H)-one, 3,4-dihydro-7-methoxy-, O-(3-(dimethylamino)propyl)oxime, ethanedioate (2:1) 55580-06-8 7-Methoxy-3,4-dihydro-1-benzoxepin-O-(dimethylaminopropyl)-5-one oxime hemioxalate