InChI=1/C19H19N3O6/c1-25-4-5-28-16-9-13-12(8-15(16)26-2)19(21-10-20-13)22-14-6-11(23)7-17(27-3)18(14)24/h6-10,23H,4-5H2,1-3H3/p-1/fC19H18N3O6/h23h/q-1 B684C16EFC757650