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2-Anthracenesulfonyl chloride

6-Azaindole-3-carboxaldehyde

2-Benzofuranglyoxylaldehyde

2-Benzofurylglyoxylic acid

Benzophenone-4-iodoacetamide

4-(Benzoyloxy)cyclohexanone

3-Benzylidene-2-oxo-cyclopentanecarboxylic acid ethyl ester