InChI=1S/C23H38O5/c24-19-17-15-13-11-9-7-5-3-1-2-4-6-8-10-12-14-16-18-23(27)28-22(20-25)21-26/h1,3-4,6-7,9-10,12,22,24-26H,2,5,8,11,13-21H2/b3-1-,6-4-,9-7-,12-10-