3,3,5,5-Tetramethyl-1-thiacyclohexan-4-carbonylchlorid

carbon monosulfide

4-diazo-3,3,5,5-tetramethyl-thiacyclohexane

(3,3,5,5-tetramethylthian-4-ylidene)hydrazine

3,3,5,5-Tetramethyl-tetrahydro-thiopyran-4-carboxylic acid