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γ-Oxo-1-pyrenebutyric acid

3-Chloro-2-chloromethyl-1-propene

Tin(II) chloride

(1R)-(+)-Camphor

Diethyl thioglycolate

Ethyl glyoxalate solution

Potassium ethyl xanthogenate

Ammonium sulfite monohydrate

Pyridine-2-sulphonyl chloride hydrochloride