InChI=1/C14H16N2O5/c1-7-6-8(4-5-9(7)16(20)21)15-12(17)10-11(13(18)19)14(10,2)3/h4-6,10-11H,1-3H3,(H,15,17)(H,18,19)/p-1/t10-,11-/m0/s1/fC14H15N2O5/h15H/q-1 D294E2973E3CA8CB