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