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Methyl 3-methoxythiophene-2-carboxylate

2-Butyl-5-ethylthiophene

5-Chloro-2-thiophenecarboxylic acid hydrazide

2-Bromo-5-phenylthiophene

5-Formyl-thiophene-2-carboxylic acid

4,5-Dimethylthiophene-2-carboxylic acid

3-Thiophenecarboxylic acid hydrazide

2-Cinnamoylthiophene

4-Oxotetrahydrothiophene-2,3-dicarboxylic acid dimethyl ester

2-Octanoyl thiophene