InChI=1/C19H16N2O4/c1-12(14-5-3-2-4-6-14)21-18(23)15-9-7-13(8-10-17(22)20-25)11-16(15)19(21)24/h2-12,25H,1H3,(H,20,22)/b10-8+/t12-/m1/s1/f/h20H	2828418E9CE9CD85