InChI=1S/C16H19NO9/c18-9(6-7-17-14(22)8-4-2-1-3-5-8)25-16-12(21)10(19)11(20)13(26-16)15(23)24/h1-5,10-13,16,19-21H,6-7H2,(H,17,22)(H,23,24)