InChI=1/C18H17N5O2/c19-17-21-16(11-5-2-1-3-6-11)23-13-10-15-14(24-7-4-8-25-15)9-12(13)20-18(23)22-17/h1-3,5-6,9-10,16H,4,7-8H2,(H3,19,20,21,22)/p+1/t16-/m1/s1/fC18H18N5O2/h21-22H,19H2/q+1 B2C593ED373E17F9