| 摘要 |
Compounds of the general formula <CHEM> in which R is a hydrogen atom, a methyl group or an ethyl group; R<1> is a methyl, ethyl, monochloromethyl or monobromomethyl group; R<2> is a methyl or ethyl group; or R<1> and R<2> together with the carbon atom to which they are attached form a cyclopropyl group; and each of R<3> and R<4> independently is an alkyl, alkoxy, monoalkylamino or dialkylamino group, in which the or each alkyl moiety has 1 to 4 carbon atoms; provided that if R<1> represents a monochloromethyl or monobromomethyl group, then R represents a methyl or ethyl group; have useful pesticidal properties. |
