InChI=1S/C16H19NO9/c18-10-11(19)13(15(23)24)26-16(12(10)20)25-5-6-1-2-7-8(6)3-17-4-9(7)14(21)22/h3-4,6,10-13,16,18-20H,1-2,5H2,(H,21,22)(H,23,24)