InChI=1S/C15H21NO10/c1-16-4-7(18)5-2-6(17)9(19)8(3-5)25-15-12(22)10(20)11(21)13(26-15)14(23)24/h2-3,7,10-13,15-22H,4H2,1H3,(H,23,24)