| 摘要 |
<p>This invention relates to novel compounds having antidotal activity so as to be useful in the protection of cultivations of agrarian interest from the toxic action of non-selective weed-killers. The novel compounds of this invention have the formula: <IMAGE> (I) wherein R=alkyl, phenyl; R1=OR4=alkyl, cycloalkyl, cyclohexylmethyl, allyl, propargyl, phenyl or benzyl, optionally substituted; R2=H or R1 and R2 together form a bond between carbonyl and the nitrogen atom which they are linked to; X=O, S; R3 is the same are R4, but is different from 3,5-dichlorophenyl.</p> |
