InChI=1S/C21H23N5O7/c1-13(23-20(29)17(21(30)25-31)11-14-5-3-2-4-6-14)19(28)22-12-18(27)24-15-7-9-16(10-8-15)26(32)33/h2-10,13,17,31H,11-12H2,1H3,(H,22,28)(H,23,29)(H,24,27)(H,25,30)/t13-,17-/m0/s1