InChI=1S/C24H38O4/c1-14(4-9-21(26)27)16-7-8-17-15-5-6-19-22(28)20(25)11-13-24(19,3)18(15)10-12-23(16,17)2/h14-19,22,28H,4-13H2,1-3H3,(H,26,27)/t14?,15?,16?,17?,18?,19?,22?,23-,24-/m1/s1