InChI=1/C20H16N2O6/c23-20(21-14-4-7-17-19(12-14)27-11-1-10-26-17)18-9-8-16(28-18)13-2-5-15(6-3-13)22(24)25/h2-9,12H,1,10-11H2,(H,21,23)/f/h21H	A4B882A1B7C2EC8C