InChI=1/C14H14N2O4/c1-7-11(8(2)17)12(16-14(18)15-7)9-4-3-5-10-13(9)20-6-19-10/h3-5,12H,6H2,1-2H3,(H2,15,16,18)/t12-/m0/s1/f/h15-16H	7F94F447663AAFC4