| 摘要 |
<p>: The invention provides an insecticidal composition which comprises as an active ingredient a compound of the formula: wherein X is a hydrogen atom or an acyl group, Y is a hydrogen atom, a lower alkyl group or a halogen atom and Rl and R2, which may be the same or different, are each a hydrogen atom, a lower alkyl group, a cyclo (lower) alkyl group, a lower alkenyl group, a lower alkynyl group, a lower alkoxy group or an acyl group, provided that Rl and R2 are not simultaneously a hydrogen atom or an acyl group.</p> |
