InChI=1/C15H17N3O5/c19-12(17-9-4-5-9)8-16-14(20)15(21)18-10-2-1-3-11-13(10)23-7-6-22-11/h1-3,9H,4-8H2,(H,16,20)(H,17,19)(H,18,21)/f/h16-18H 84955ED1F2D48C45