InChI=1/C20H24N6O2/c1-12(2)11-16(19(27)21-4)23-20(28)18-13(3)26(25-24-18)17-9-5-8-15-14(17)7-6-10-22-15/h5-10,12,16H,11H2,1-4H3,(H,21,27)(H,23,28)/t16-/m0/s1/f/h21,23H 7BD1B289D4372A91