InChI=1/C22H19N3O5/c1-27-15-9-8-12(19(28-2)20(15)29-3)16-13(10-23)21(24)30-18-11-6-4-5-7-14(11)25-22(26)17(16)18/h4-9,16-17H,24H2,1-3H3/p+1/t16-,17-/m1/s1/fC22H20N3O5/h25H/q+1 466A20F2A90D9B18