4-chloro-3,5-dimethyl-2H-thiopyran 1,1-dioxide

3,5-dichloro-2,4-dimethylpenta-1,3-diene

4-chloro-3-methyl-5-methylidene-2H-thiopyran 1,1-dioxide

2-(3,5-dimethyl-4-oxothiopyran-2-yl)sulfanyl-3,5-dimethylthiopyran-4-one

2-bromo-3,5-dimethyl-4H-thiopyran-4-one