16879-02-0 2(1H)-Pyridinone, 6-chloro- 2(1H)-Pyridone, 6-chloro- 2-Chloro-6-hydroxypyridine 6-Chloro-2(1H)-pyridinone 6-Chloro-2-pyridinol 6-Chloro-2-pyridone NSC148331