InChI=1/C23H38O4/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-22(25)19-23(26)20-27-21(2)24/h7-8,10-11,17-18,23,26H,3-6,9,12-16,19-20H2,1-2H3/b8-7-,11-10-,18-17+