InChI=1/C18H26N6O2/c1-11-8-13(3)24(22-11)18-20-16(19-14(4)25)9-17(21-18)23-12(2)6-7-15(23)10-26-5/h8-9,12,15H,6-7,10H2,1-5H3,(H,19,20,21,25)/t12-,15+/m1/s1/f/h19H 0667830813AEB411