| abstract |
New thiolphosphoric acid esters, their manufacture and use as pesticides is disclosed. The compounds correspond to the formula WHEREIN R1 represents methyl or ethyl, R2 represents n-pentyl, sec. pentyl, or methoxyethyl and R3 and R4 each represents methoxy, ethoxy, n-propoxy, isopropoxy or n-hexyloxy, and are effective against insects and representatives of the order Acarina. |