Kopsan (Triclosan) is a potent wide spectrum, antibacterial and antifungal agent. It is a chlorinated aromatic compound which has functional groups representative of both ester and phenol.

Kopsan（三氯生）是一种有效的广谱抗菌和抗真菌剂。它是一种氯代芳香化合物，具有代表酯和酚的官能团。