InChI=1/C18H19N3O3/c22-18(15-2-1-7-19-10-15)11-20-8-9-24-16-5-3-14(4-6-16)17-12-23-13-21-17/h1-7,10,12-13,18,20,22H,8-9,11H2/p+1/t18-/m0/s1/fC18H20N3O3/h20H/q+1 B8F9F26662B3D2AA