1) 3-Methylbutanoylchlorid
2) 3-Oxopentanoylbromid
3) 2-Methyl-3-oxocyclohexancarbonyliodid
4) 2,3-Dihydroxypropanoylchlorid
5) 4-Chlorcarbonyl-3-hydroxy-2-methylpentansäure
6) Benzoylchlorid
7) 3-Brombutanoylbromid
8) 4-Oxobutanoyliodid
9) Methanoylchlorid