| 摘要 |
<p>1,3,5-Triazapenta-1,4-dienes of the formula wherein each of R1, R2 and R3 represents hydrogen, halogen, C1-C4alkyl, C1-C4alkoxy, trifluoromethyl or cyano, and R4 represents C1-C4alkyl which is unsubstituted or substituted by halogen, a process for their manufacture and their use in pest control.</p> |
