6-methyl-1,4-dithiaspiro[4.5]decane

4,4a,5,6,7,8-六氢-1,4a-二甲基萘-2(3H)-酮

1,8-dimethyl-4,4a,5,6,7,8-hexahydro-3H-naphthalen-2-one

2-甲基环戊酮

2-氨基-4-甲基苯并噻唑