InChI=1S/C28H38O5/c1-14(2)11-19-20-23(32)16(12-29)22(31)17(13-30)24(20)33-28-10-9-27(19,6)25(28)21-18(26(21,4)5)8-7-15(28)3/h12-15,18-19,21,25,31-32H,7-11H2,1-6H3