InChI=1S/C21H30O3/c1-12-10-14-11-15(23)4-5-16(14)17-8-9-21(3)18(20(12)17)6-7-19(21)24-13(2)22/h11-12,16-20H,4-10H2,1-3H3/t12-,16+,17-,18+,19+,20-,21+/m1/s1