InChI=1/C18H26N6O2/c25-17-20-15-4-3-14(13-16(15)21-17)19-18(26)24-11-9-23(10-12-24)8-7-22-5-1-2-6-22/h3-4,13H,1-2,5-12H2,(H,19,26)(H2,20,21,25)/p+1/fC18H27N6O2/h19-22H/q+1 F269709B25995999