InChI=1S/C24H38O4/c1-14(4-9-21(27)28)18-7-8-19-17-6-5-15-12-16(25)10-11-23(15,2)22(17)20(26)13-24(18,19)3/h15-20,22,25-26H,1,4-13H2,2-3H3,(H,27,28)/t15?,16?,17?,18?,19?,20?,22?,23-,24+/m0/s1