InChI=1/C18H19N3O3/c22-16-12-5-1-2-6-13(12)21(11-8-9-11)18(24)15(16)17(23)20-14-7-3-4-10-19-14/h3-4,7,10-11,22H,1-2,5-6,8-9H2,(H,19,20,23)/p-1/fC18H18N3O3/h22h,20H/q-1 4D9C3FDFA6928226