| 摘要 |
Compounds of the formula WHEREIN R1 is hydrogen, straight or branched alkyl of one to six carbon atoms, monohydroxy-(alkyl of one to six carbon atoms), or WHERE R4 and R5 are each straight or branched alkyl of one to four carbon atoms, or, together with each other nd the nitrogen atom to which they are attached, morpholino, pyrrolidino, piperidino or N'-methyl-piperazino, R2 is hydrogen or alkyl of one to three carbon atoms, R3 is hydrogen, straight or branched alkyl of one to five carbon atoms, or monohydroxy-(alkyl of one to five carbon atoms), X is oxygen, imino(-NH-) or methylimino(-NCH3-), X is oxygen; imino(-nH-) or methylimino(-NCH3-), Y is oxygen, sulfur or imino, and N IS 0 OR 1, AND, TO THE EXTENT AHTA THEY CONTAIN ONE OR MORE BASIC NITROGEN ATOMS, NON-TOXIC ACID ADDITION SALTS THEREOF; THE COMPOUNDS A WELL AS THE SALTS ARE USEFUL AS BACTERICIDAL AGENTS AGAINST GRAMPOSITIVE AND GRAMNEGATIVE BACTERIA AND AGAINST TRICHOMONAS.
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