InChI=1S/C23H25NO9/c1-31-20-12(32-23-19(28)17(26)18(27)21(33-23)22(29)30)8-9-6-7-24-15-13(9)14(20)10-4-2-3-5-11(10)16(15)25/h2-5,8,15-19,21,23-28H,6-7H2,1H3,(H,29,30)