InChI=1/C14H18N2O5/c17-12(16-21)9-11(8-10-4-2-1-3-5-10)14(20)15-7-6-13(18)19/h1-5,11,21H,6-9H2,(H,15,20)(H,16,17)(H,18,19)/p-1/t11-/m1/s1/fC14H17N2O5/h15-16H/q-1 B17572F184D12179