InChI=1S/C16H28N4O8/c21-11(22)7-15(8-12(23)24)5-3-1-2-4-6-17-19-20-18-16(15,9-13(25)26)10-14(27)28/h17-20H,1-10H2,(H,21,22)(H,23,24)(H,25,26)(H,27,28)