InChI=1S/C22H25NO8/c1-21(11-24)8-3-9-22(2)14-10-30-20(27)15(14)16(25)17(18(21)22)31-19(26)12-4-6-13(7-5-12)23(28)29/h4-7,16-18,24-25H,3,8-11H2,1-2H3/t16-,17+,18-,21+,22+/m0/s1