(E)-2,3,4,4a,5,6,7,11b-Octahydrobenzo(6,7)cyclohept(1,2-b)(1,4)oxazine-4-propionic acid 105124-62-7 Benzo(6,7)cyclohept(1,2-b)(1,4)oxazine-4-propionic acid, 2,3,4,4a,5,6,7,11b-octahydro-, (E)-