InChI=1/C18H19N3O/c1-21(12-17-19-18(22-20-17)14-9-10-14)11-15-7-4-6-13-5-2-3-8-16(13)15/h2-8,14H,9-12H2,1H3/p+1/fC18H20N3O/h21H/q+1 D845FCA1C4B076BA