2-ethoxy-4H-3,1-benzoxazin-4-one 4H-3,1-benzoxazin-4-one, 2-ethoxy- InChI=1/C10H9NO3/c1-2-13-10-11-8-6-4-3-5-7(8)9(12)14-10/h3-6H,2H2,1H