InChI=1/C15H14N2O4/c1-21-15(20)10-4-6-11(7-5-10)17-14(19)12(8-16)13(18)9-2-3-9/h4-7,9,17,19H,2-3H2,1H3/p-1/b14-12-/fC15H13N2O4/h19h/q-1	0A53FF7215BF7D2A