InChI=1/C19H19N3O6/c23-19(21-7-5-20(6-8-21)12-15-2-1-9-26-15)4-3-14-10-17-18(28-13-27-17)11-16(14)22(24)25/h1-4,9-11H,5-8,12-13H2/b4-3+ 5514E9BCCB2AA1DF