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