InChI=1S/C19H25NO10/c1-9-7-10(28-18(9)27)4-5-11(8-20-6-2-3-12(20)21)29-19-15(24)13(22)14(23)16(30-19)17(25)26/h4,7,11,13-16,19,22-24H,2-3,5-6,8H2,1H3,(H,25,26)/b10-4+