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