InChI=1/C15H18N2O5/c1-2-22-10-3-4-12-11(9-10)16-13(5-6-14(18)19)17(12)8-7-15(20)21/h3-4,9H,2,5-8H2,1H3,(H,18,19)(H,20,21)/p-2/fC15H16N2O5/q-2 ED6ADC8DA34B603B