5-Bromo-2-chloro-3-methoxypyrazine
3-Bromo-6-chloropyrazine-2-carboxylic acid
6-Bromo-3-chloropyrazine-2-carbonitrile
2-Bromo-5-chloropyrazine
2-Amino-3-bromo-6-chloropyrazine
2-Bromo-3,5-dichloropyrazine
