InChI=1/C16H17N3O4/c17-7-10-11(18)5-15-9(16(10)19-1-2-20)3-8-4-12(21)13(22)6-14(8)23-15/h4,6,9,15,18-22H,1-3,5H2/t9-,15-/m0/s1 7A57EF72CEB7E8AA