| abstract |
Abstract of the Disclosure The present invention concerns new 5-nitropyrimidine deriva-tives and their acid addition salts as well as compositions containing the and their use, for selective pre- and post-emergent combating of weeds and for diminishing the growth of lawn, cereals and suckers The new 5-nitropyrimidines have the formula wherein R1 is alkyl with 2-7 carbon atoms, alkenyl or cyclo-alkyl; R2 is optionally substituted lower alkyl, alkoxy or alkylthio, alkenyloxy or alkenylthio, cycloalkoxy or cyclo-alkylthio; R3 is hydrogen, lower alkyl, haloalkyl, alkoxy, alkylthio or dialkylamino |