InChI=1S/C22H32O7/c1-13-17(29-14(2)24)10-20(3)18(5-6-19(26)21(20,4)27)22(13,12-23)9-16(25)15-7-8-28-11-15/h7-8,11-13,16-19,25-27H,5-6,9-10H2,1-4H3