? 2-Hydroxy-3-trifluoromethylpyridine (CAS NO.22245-83-6), its Synonyms are 3-(Trifluoromethyl)pyridin-2-one ; 3-Trifluoromethyl-pyridin-2-ol ; 2-Hydroxy-3-(trifluoromethyl)pyridine 97% .