InChI=1S/C26H50O4/c1-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-26(28)30-23-25(27)22-29-21-20-24(2)3/h18-19,24-25,27H,4-17,20-23H2,1-3H3