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Diethyl 1,1-cyclobutanedicarboxylate

(+)-Dehydroabietic acid

Diethyl cyanomethylphosphonate

4,4-Dichlorochalcone

N,N-Diethylcyanoacetamide

2,4-Dichlorobutyrophenone

Diethyl cromoglycate

1,4-dichloro-2-butyne