2-ethoxy-6,7-dimethoxy-4H-3,1-benzoxazin-4-one 4H-3,1-benzoxazin-4-one, 2-ethoxy-6,7-dimethoxy- InChI=1/C12H13NO5/c1-4-17-12-13-8-6-10(16-3)9(15-2)5-7(8)11(14)18-12/h5-6H,4H2,1-3H