InChI=1S/C24H38O7/c1-12(3-6-21(30)31)15-4-5-16-22-17(10-20(29)24(15,16)11-25)23(2)13(8-18(22)27)7-14(26)9-19(23)28/h12-17,19-20,22,25-26,28-29H,3-11H2,1-2H3,(H,30,31)/t12?,13?,14?,15?,16?,17?,19?,20?,22?,23-,24+/m0/s1