6-Chloropyridine-3-carboxylic acid (6-chloronicotinic acid/6-CNA) has been used to study its photolytic and photocatalytic degradation. 6-CNA is a degradation product of neonicotinoid insecticides imidacloprid and acetamiprid and is known to appear in dif 웿 Ɓ ñ ꅄ眓᧘ठࠃ 眓 眓Ȃ Ӥ 楰眜Ӥ 楰眜Ӥ ﰀ眓 ﹴ眓 Б