InChI=1S/C19H23NO9/c1-2-27-18(26)12(7-9-8-20-11-6-4-3-5-10(9)11)28-19-15(23)13(21)14(22)16(29-19)17(24)25/h3-6,8,12-16,19-23H,2,7H2,1H3,(H,24,25)