InChI=1S/C24H36O4/c1-14(4-9-22(27)28)18-7-8-19-17-6-5-15-12-16(25)10-11-23(15,2)20(17)13-21(26)24(18,19)3/h15,17-21,26H,1,4-13H2,2-3H3,(H,27,28)/t15?,17?,18?,19?,20?,21?,23-,24+/m0/s1