2-methyl-1,3-dithiane-2-carbaldehyde

(2-methyl-1,3-dithian-2-yl)-phenylmethanone

5-methylsulfanyl-3-oxo-1,2-thiazole-4-carbonitrile

4-methylhexa-1,3-diene

2-methyl-4-propan-2-ylidene-1,3-oxazol-5-one