InChI=1/C18H25N5O2/c1-4-14-12-16(24)22-17(20-14)13-7-5-8-15(11-13)21-18(25)19-9-6-10-23(2)3/h5,7-8,11-12H,4,6,9-10H2,1-3H3,(H2,19,21,25)(H,20,22,24)/p+1/fC18H26N5O2/h19,21-23H/q+1 71606FB97EC33032