InChI=1S/C30H48O2/c1-19(2)20(3)8-9-21(4)26-12-13-27-25-11-10-23-18-24(32-22(5)31)14-16-29(23,6)28(25)15-17-30(26,27)7/h19,21,23-24,26-27H,3,8-18H2,1-2,4-7H3/t21?,23-,24?,26?,27?,29?,30?/m1/s1