InChI=1S/C19H27NO10/c1-10-9-11(28-18(10)27)5-2-3-7-20-8-4-6-12(21)29-19-15(24)13(22)14(23)16(30-19)17(25)26/h5,9,13-16,19-20,22-24H,2-4,6-8H2,1H3,(H,25,26)/b11-5+