| 摘要 |
Novel substituted phenylureas of the formula <IMAGE> in which R represents optionally substituted radicals from the series comprising pyrimidinyl, pyrazolyl, 1,2,4-triazolyl, thiazolo-[1,2,4]- triazolyl, 1,2,4-oxadiazolyl, 1,2,4-thiadiazolyl, imidazolyl, 1,3-oxazolyl or 1,3-thiazolyl, R<1> represents hydrogen or alkyl and R<2> represents alkyl, several processes for the preparation of the novel substances, and their use as herbicides. |
