abstract |
Composition to control pests and a method to control them. Claim 1: An ester compound characterized by the formula (1) wherein A represents a group represented by the formulas (A1), (A2) and (A3) in each formula, R1 represents a methyl group, a propenyl group or a propynyl group , and R2 represents a methyl group, or R1 and R2 are joined to represent a tetramethylene group. |