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publicationDate 1989-10-04-04:00^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber EP-0335409-A2
titleOfInvention Pyrimidine derivatives, processes for their production and herbicidal compositions containing them
abstract A pyrimidine derivative of the formula:n according each of R¹ and R² which may be the same or different is an alkyl group, or R¹ and R² together with the adjacent carbon atom form a ring.
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