InChI=1S/C21H30O3/c1-12-10-19-18-6-4-14-11-15(23)5-7-16(14)17(18)8-9-20(19,3)21(12,24)13(2)22/h14,16-19,24H,1,4-11H2,2-3H3/t14-,16-,17+,18+,19-,20-,21-/m0/s1