3-methylpyridine（β-picoline） C6H7N

Mainly used in the manufacture of vitamin B6, nicotinic acid and nicotinamide, nicoramine and cardiotonic drugs; Can also be used as solvents, nicotinic acid, nicotinamide, nikethamyl, alcohol denaturant, dye intermediates, resin intermediates, rubber vulcanization promoters, insecticides, waterproof agents, and film photosensitive additives. It is used as a solvent in organic synthesis and in the preparation of nicotinic acid and nicotinamide.