InChI=1S/C14H17N3O7/c1-5(7-8-6(2-3-15-7)16-4-17-8)23-14-11(20)9(18)10(19)12(24-14)13(21)22/h2-5,9-12,14,18-20H,1H3,(H,16,17)(H,21,22)