InChI=1S/C21H32O2/c1-18-7-5-8-19(2,17(22)23-4)15(18)6-9-21-11-14-13(10-16(18)21)20(14,3)12-21/h13-16H,5-12H2,1-4H3/t13-,14?,15?,16?,18-,19-,20-,21+/m0/s1