InChI=1S/C15H17N3O5/c16-10(6-13(19)20)14(21)18-12(15(22)23)5-8-7-17-11-4-2-1-3-9(8)11/h1-4,7,10,12,17H,5-6,16H2,(H,18,21)(H,19,20)(H,22,23)