InChI=1/C21H16N2O4/c24-21(19-7-4-10-25-19)23-17(12-16(22-23)14-5-2-1-3-6-14)15-8-9-18-20(11-15)27-13-26-18/h1-11,17H,12-13H2/t17-/m1/s1	11645B1FF4788085