| 摘要 |
<p>Thiophosphoric acid amides of the formula wherein R represents the n-propyl or n-butyl radical, and A represents the ethylene, 1-methylethylene, 1,1dimethylethylene, 2-butenylene or 2-pentenylene radical are very effective agents for combating nematodes, insects and members of the order acarina.</p> |
