3a,6,6,9a-tetramethyl-2,4,5,5a,7,8,9,9b-octahydro-1H-benzo[e][1]benzofuran-2-ol

龙涎酮

降龙涎香醚

香紫苏内酯

4,4,7,8-tetramethyl-2,3-dihydro-1H-naphthalene