5-PHENYLCARBAMOYL BARBITURIC ACIDS AND PHARMACEUTICAL COMPOSITIONS

摘要

Novel phenylcarbamoylbarbituric acid derivatives of the general formula I (I) +TR and tautomeric forms and salts thereof in which R1 and R2 independently of one another are C1-C5-alkyl, C1-C3-alkoxy, C3-C6-cycloalkyl, allyl or phenyl; R3 is substituted or unsubstituted pyridyl as herein defined; and X is oxygen or sulfur; they possess anthelmintic activity. The active substances can be employed in conjunction with suitable carriers and further adjuncts for controlling zooparasitic helminths.