InChI=1S/C19H28N2O9/c20-7-1-2-8-21-17(26)12(22)9-10-3-5-11(6-4-10)29-19-15(25)13(23)14(24)16(30-19)18(27)28/h3-6,12-16,19,22-25H,1-2,7-9,20H2,(H,21,26)(H,27,28)