| 摘要 |
Novel alkyl esters of quinoxaline-di-N-oxide-2-carboxylic acid substituted on the alkyl portion of the ester by hydroxy, acyloxy, N-alkyl carbamyloxy, dialkylaminoacyloxy, carboxyacyloxy, alkoxycarbonyloxy, haloacyloxy, amino and mono- and disubstituted amino, useful as antibacterial agents and in promoting growth and improving feed efficiency of animals in general.
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