It is an organic compound with a carboxyl group on a pyridine ring. It is an isomer of nicotinic acid — the carboxyl group for isonicotinic acid is on the 4-position instead of the 3-position for nicotinic acid.
It is an organic compound with a carboxyl group on a pyridine ring. It is an isomer of nicotinic acid — the carboxyl group for isonicotinic acid is on the 4-position instead of the 3-position for nicotinic acid.