InChI=1/C18H17N3O5/c1-11-8-12-4-2-3-5-15(12)20(11)17(22)10-26-18(23)13-6-7-14(19)16(9-13)21(24)25/h2-7,9,11H,8,10,19H2,1H3/t11-/m1/s1 CB7712F708FC4EC7