Synonyms: 2(1H)-Pyridinone, 3,5,6-trichloro-; 2(1H)-Pyridone, 3,5,6-trichloro-; 2(1H)-pyridone,3,5,6-trichloro-; 2-Pyridinol, 3,5,6-trichloro-; 2-pyridinol,3,5,6-trichloro-; 3,5,6 Trichloro 2-pyridinal; 3,5,6-trichloropyridine-2-ol; Hydroxy-3,5,6-trichloropyridine