InChI=1/C20H22N6O2/c1-4-17(15-7-5-13(2)6-8-15)23-20(28)19(27)22-16-9-10-18(14(3)11-16)26-12-21-24-25-26/h5-12,17H,4H2,1-3H3,(H,22,27)(H,23,28)/t17-/m0/s1/f/h23,27H 9E5BCC2E9AA496DF