5',6'-dimethyl-4'H-spiro[adamantane-2,2'-[1,3]oxathiine]

4,4a,5,6,7,8-六氢-3-甲基萘-2(3H)-酮

8a-hydroxy-3-methyl-octahydro-naphthalen-2-one

1-(2,2-二溴-1-甲基环丙基)乙酮

异戊酸甲酯