InChI=1/C18H19N3O3/c19-18(22)15-5-1-13(2-6-15)11-20(16-9-10-16)12-14-3-7-17(8-4-14)21(23)24/h1-8,16H,9-12H2,(H2,19,22)/p+1/fC18H20N3O3/h20H,19H2/q+1 5319BCA63464E746