| 摘要 |
<p>A class of 2-arylpyrimidines which is useful in the control of weeds is of the general formula: <CHEM> wherein R<2> is an optionally substituted aromatic ring; R<3> is a saturated or unsaturated alkyl group; R<5> is selected from hydrogen, halo, alkyl, alkenyl, alkynyl, alkoxy, and alkylthio; R<6> is selected from hydrogen, halo, alkyl, haloalkyl, aryl, and alkoxy; or R<5> and R<6> are joined together to form a ring; and X is oxygen or sulfur.</p> |
