InChI=1/C14H19N3O3/c18-14(10-15-11-4-2-1-3-5-11)16-12-6-8-13(9-7-12)17(19)20/h6-9,11,15H,1-5,10H2,(H,16,18)/p+1/fC14H20N3O3/h15-16H/q+1 13C46100E7E070E6