| 摘要 |
1,250,643. Pesticides containing sulphite esters. UNIROYAL Inc. 3 Dec., 1968 [22 Dec., 1967; 26 Sept., 1967], No. 57314/68. Heading A5E. [Also in Divisions C1 and C2] Insecticidal and nematocidal compositions comprise sulphite esters of formula R-O-SO -O-R<SP>1</SP>, where R is C 1-18 alkyl or haloalkyl and R<SP>1</SP> is C 3-10 optionally halo-substituted ketoalkyl or C 3-9 optionally halo-substituted carbalkoxyalkyl or alkanoyloxyalkyl. |
