InChI=1/C21H22N4O4/c1-13(14-4-7-16(8-5-14)25-10-2-3-20(25)27)22-21(28)23-15-6-9-18-17(11-15)24-19(26)12-29-18/h4-9,11,13H,2-3,10,12H2,1H3,(H,24,26)(H2,22,23,28)/t13-/m0/s1/f/h22-24H 06AD068BCE1B7461