2,3-Diamino-6-methoxypyridine
2,3-Difluoropyridine
2,4-Dimethylpyrrole
2,5-Dibromopyridine
2,6-Dibromopyridine
2,6-Difluoropyridine
2-Amino-4-picoline
2-Bromo-3-fluoropyridine
2-Bromo-4-fluoropyridine
2-Bromopyridine
2-Chloro-3-fluoro-4-iodopyridine
2-Chloro-5-fluoropyridine