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