2-Phenylsulfinyl-5-ethylcyclopentanon

4-methylidene-1-trimethylsilylhex-1-en-3-one

2-ethyl-N-methyl-N-phenyl-5-(phenylsulfinyl)pentanamide

4-methylidene-1-trimethylsilylhex-1-en-3-ol

(+)-2-ethylcyclopentanone