InChI=1/C18H25N5O2/c24-17-20-15-4-3-14(11-16(15)21-17)19-18(25)23-9-5-13(6-10-23)12-22-7-1-2-8-22/h3-4,11,13H,1-2,5-10,12H2,(H,19,25)(H2,20,21,24)/p+1/fC18H26N5O2/h19-22H/q+1 A2BCBE31F0617253