InChI=1S/C22H30O7/c1-6-13(3)19(23)28-17-11-21(5)8-9-22(25,29-21)15(12-26-7-2)10-16-18(17)14(4)20(24)27-16/h6,10,16-18,25H,4,7-9,11-12H2,1-3,5H3/b13-6-,15-10-/t16?,17-,18+,21+,22+/m1/s1