InChI=1/C15H18N2O5/c1-9(2)22-11-5-3-10(4-6-11)15(8-7-12(18)19)13(20)16-14(21)17-15/h3-6,9H,7-8H2,1-2H3,(H,18,19)(H2,16,17,20,21)/p-1/t15-/m1/s1/fC15H17N2O5/h16-17H/q-1 01D52266F1BBA520