1-(4-PYRIDINYL)ETHANONE 1122-54-9 4-Acetylpyridine 4-Pyridyl methyl ketone 5-21-07-00400 (Beilstein Handbook Reference) AI3-26822 BRN 0107629 CCRIS 5954 EINECS 214-350-9 Ethanone, 1-(4-pyridinyl)- Ketone, methyl 4-pyridyl Methyl 4-pyridyl ketone NSC 111 Pyridine, 4-acetyl-