InChI=1/C21H20N4O4/c1-13(29-18-11-8-14-4-2-3-5-16(14)12-18)20(27)24-25-21(28)23-17-9-6-15(7-10-17)19(22)26/h2-13H,1H3,(H2,22,26)(H,24,27)(H2,23,25,28)/t13-/m0/s1/f/h23-25H,22H2	BC98481353FFBD8B