InChI=1/C18H18N4O/c23-17-9-12-7-11-8-13(5-6-14(11)18(12)21-20-17)22-10-19-15-3-1-2-4-16(15)22/h5-6,8,10,12H,1-4,7,9H2,(H,20,23)/p+1/t12-/m1/s1/fC18H19N4O/h19-20H/q+1 25BBEE9BA9C041F2