| 摘要 |
Novel pyridines of the formula <IMAGE> I wherein R is selected from the group consisting of (a) phenyl optionally substituted with at least one member of the group consisting of hydroxy, alkyl and alkoxy of 1 to 5 carbon atoms, halogen, -CF3 and -NO2 and (b) a 5 to 6 member hetercyclic optionally substituted with alkyl of 1 to 5 carbon atoms, R1 and R2 are individually selected from the group consisting of (a) alkyl of 1 to 5 carbon atoms, (b) 5 to 6 member heterocyclic optionally substituted with alkyl of 1 to 5 carbon atoms and (c) phenyl and naphthyl optionally substituted with at least one member of the group consisting of hydroxy, alkyl and alkoxy of 1 to 5 carbon atoms, halogen, -NO3 and -CF3, R3 is selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms, -(CF2)n -CF3 and <IMAGE> n is an integer from 0 to 4 and Alk is alkyl of 1 to 5 carbon atoms and their non-toxic, pharmaceutically acceptable salts with acids and bases having anti-inflammatory and anti-rheumatic properties.
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