InChI=1S/C26H38O4/c1-26-15-14-18-17-9-11-22(27)25(29)20(17)8-7-19(18)21(26)10-12-23(26)30-24(28)13-6-16-4-2-3-5-16/h16-19,21,23,29H,2-15H2,1H3/t17-,18-,19-,21+,23+,26+/m1/s1