| 摘要 |
<p>Herbicidal compounds of formula; wherein R is cycloalkyl or branched alkyl of 3 to 10 carbon atoms; R1 is hydrogen, halogen, lower alkyl, cyano, nitro, carbamoyl or alkanoylamindo; R2 is hydrogen or lower alkyl, lower (di)alkylamino, lower alkoxy or lower alkylthio; and R3 is hydrogen or lower alkkyl; and salts thereof with acids and bases.</p> |
