| abstract |
5-14554/1+2/= Barbituric acid derivatives Abstract Novel phenylcarbamoylbarbituric acid derivatives of the general formula I (I) ? 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 sub-stituted or unsubstituted phenyl, naphthyl or pyridyl as herein defined; and X is oxygen or sulfur; as anthelmintic and insecticidal active substances. The active substances can be employed in conjunction with suitable carriers and further adjuncts for controlling zooparasitic helminths and insects which destroy keratin. |