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/h5,14,16-20,22,25-26H,4,6-13H2,1-3H3,(H,27,28)/t14?,16?,17-,18?,19-,20?,22+,23-,24+/m0/s1