2-Amino-5-trifluoromethylpyridine

5-Amino-2-pyridinecarboxylic acid

2-Amino-4-cyanopyridine

3-Nitro-4-methylbenzonitrile

5-Bromo-3-fluoropyridine

5-Chloroindole-2-carboxylic acid ethyl ester

5-Bromoindole-2-carboxylic acid

5-Bromoindole-2-carboxylic acid