InChI=1/C16H17N3O6/c1-24-14-7-10(6-13(15(14)20)19(22)23)5-11(8-17)16(21)18-9-12-3-2-4-25-12/h5-7,12,20H,2-4,9H2,1H3,(H,18,21)/b11-5+/t12-/m1/s1/f/h18H 17C70158E6BA6E50