6-Fluoroindole-2-carboxylic acid ethyl ester

Indole-2,5-dicarboxylic acid

2-Bromo-3-nitrobenzoic acid

2-Bromo-3-fluoronitrobenzene

5-Fluoro-2-nitrobenzaldehyde

2-Bromo-5-(trifluoromethyl)benzaldehyde

2-Amino-6-hydroxypyridine