InChI=1S/C24H46O4/c1-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-23(2,27)20-24(3)21(25)19-22(26)28-24/h21,25,27H,4-20H2,1-3H3/t21-,23+,24-/m0/s1