InChI=1S/C14H17NO9/c16-6-7(17)9(11(20)21)23-12(8(6)18)24-14-4-2-1-3-5(14)10(19)15-13(14)22/h1-2,5-9,12,16-18H,3-4H2,(H,20,21)(H,15,19,22)