(E)-2,3,4,4a,5,6,7,11b-Octahydro-4-ethylbenzo(6,7)cyclohept(1,2-b)(1,4)oxazine 83939-22-4 Benzo(6,7)cyclohept(1,2-b)(1,4)oxazine, 2,3,4,4a,5,6,7,11b-octahydro-4-ethyl-, (E)- trans-4-Etil-3,4,4a,6,7,11b-esaidro-2H,5H-benza(3,4)cicloept(1,2-b)(1,4)ossazina [Italian]