Substituted 1,2,4-triazine-3,5-dione derivative and anticoccidial drug composition containing the same as active component

摘要

A substituted 1,2,4-triazine-3,5-dione derivative having the formula (I), of a salt thereof: CHEM wherein R represents a 5- or 6-membered heterocyclic group which may have at least one substituent selected from the group consisting of a halogen, a lower alkyl group and a halogenated lower alkyl group, and an anticoccidial drug composition containing the same as an active component.