3-Ethyl-4-methylpyridine 3-Ethyl-4-picoline 3-Ethyl-gamma-picoline 4-Methyl-3-ethylpyridine 4-Picoline, 3-ethyl- (8CI) 529-21-5 AI3-16615 EINECS 208-453-8 NSC 62016 Pyridine, 3-ethyl-4-methyl- beta-Collidine beta-Ethyl-gamma-methylpyridine