InChI=1/C20H16N2O4/c1-26-20(25)15-7-3-5-9-17(15)21-18(23)11-10-14-12-13-6-2-4-8-16(13)22-19(14)24/h2-12H,1H3,(H,21,23)(H,22,24)/b11-10+/f/h21-22H	5A4F342A30AD6376