InChI=1S/C15H19NO9/c16-8(13(20)21)5-6-1-3-7(4-2-6)24-15-11(19)9(17)10(18)12(25-15)14(22)23/h1-4,8-12,15,17-19H,5,16H2,(H,20,21)(H,22,23)