Methyl 2-oxindole-5-carboxylate

5-Bromoindole-2-carboxylic acid ethyl ester

2-Bromo-3-nitrobenzoic acid

3-Thiophenecarboxaldehyde

2-Bromo-3-fluoronitrobenzene

3-Fluorophthalic anhydride

5-Chloro-2-fluorobenzotrifluoride

5-Chloro-2-fluorobenzotrifluoride