InChI=1/C18H26N6O/c1-5-6-15-7-8-23(11-15)17-10-16(19-14(4)25)20-18(21-17)24-13(3)9-12(2)22-24/h9-10,15H,5-8,11H2,1-4H3,(H,19,20,21,25)/t15-/m0/s1/f/h19H 9632AC951DB67FE5