InChI=1S/C30H50O4/c1-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-25-33-29(31)23-24-30(32)34-28-22-20-21-26(2)27(28)3/h20-22H,4-19,23-25H2,1-3H3