InChI=1S/C27H32O6/c1-14(2)7-9-16-20(28)12-22-23(26(16)31-6)27-19(13-32-22)18-11-21(29)25(30-5)17(24(18)33-27)10-8-15(3)4/h7-8,11-12,19,27-29H,9-10,13H2,1-6H3/t19-,27+/m0/s1