(E)-2,3,4,4a,5,6,7,11b-Octahydro-10-methoxybenzo(6,7)cyclohept(1,2-b)(1,4)oxazine 83939-27-9 Benzo(6,7)cyclohept(1,2-b)(1,4)oxazine, 2,3,4,4a,5,6,7,11b-octahydro-10-methoxy-, (E)-