InChI=1/C18H25N5O2/c1-13-7-8-16-20-15(12-23(16)11-13)10-19-18(25)22-21-17(24)9-14-5-3-2-4-6-14/h7-8,11-12,14H,2-6,9-10H2,1H3,(H,21,24)(H2,19,22,25)/p+1/fC18H26N5O2/h19-22H/q+1 C1D81F43E8413652