InChI=1S/C17H19NO10/c19-7-1-2-9-8(4-7)6(5-18-9)3-10(20)16(26)28-17-13(23)11(21)12(22)14(27-17)15(24)25/h1-2,4-5,10-14,17-23H,3H2,(H,24,25)