InChI=1/C21H30O/c1-4-21-12-9-14(2)13-15(21)5-6-16-17-7-8-19(22)20(17,3)11-10-18(16)21/h4-5,13,16-19,22H,1,6-12H2,2-3H3/t16-,17-,18-,19-,20-,21-/m0/s1 9F4669DC3DF5E9AA