1H,3H,5H-[1,3]oxazino[5,4,3-ij]quinoline-1,3-dione, 6,7-dihydro- 6,7-dihydro-1H,5H-[1,3]oxazino[5,4,3-ij]quinoline-1,3-dione InChI=1/C11H9NO3/c13-10-8-5-1-3-7-4-2-6-12(9(7)8)11(14)15-10/h1,3,5H,2,4,6H