| 摘要 |
This disclosure relates to a class of novel compounds of the formula: <IMAGE> wherein R1 is C1-C4 alkyl, phenyl or C1-C4 alkylphenyl; R2 is C1-C7 alkyl, benzyl, pyridyl, phenyl, halophenyl or dihalophenyl; and A is imidazol-1-yl, 1,2,4-triazol-1-yl or substituted imidazol-1-yl wherein the substituent is one or more groups selected from class consisting of C1-C4 alkylthio and carboxy(C2-C4 alkenyl); and pharmaceutically acceptable acid addition salts thereof. This invention further relates to pharmaceutical compositions containing the compounds and to the use of such compounds and compositions as anti-anaerobic agents.
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