InChI=1/C19H16N4O6/c1-29-12-8-6-11(7-9-12)23-18(27)14(16(25)21-19(23)28)10-20-22-17(26)13-4-2-3-5-15(13)24/h2-10,20,24H,1H3,(H,22,26)(H,21,25,28)/p-1/b14-10+/fC19H15N4O6/h22H/q-1 E5D3948F173A38F1