InChI=1/C16H15N3O5/c17-16(20)10-5-6-12(13(7-10)19(21)22)18-8-11-9-23-14-3-1-2-4-15(14)24-11/h1-7,11,18H,8-9H2,(H2,17,20)/t11-/m1/s1/f/h17H2 521ECE48EA995E3D