The use of a compound of formula I wherein Y is a single bond, C═O, C═S or S(O)
m
, where m is 0, 1 or 2; the ring is a 6-membered aromatic or is a 5 or 6 membered heteroaromatic ring; Z and Z′ are joined by a single or a double bond and are ═C— or —N— provided that both are not N; Ra, R
1
, R
2
, R
3
, R
3a
, R
4
and
R8
are specified organic groups; n is 2, 3 or 4 and p is 0-4; or salts or N-oxides thereof or compositions containing them in controlling insects, acarines, nematodes or molluscs. Novel compounds are also provided.
                            本发明提供了一种化合物,其
化学式为I,其中Y是单键,C═O,C═S或S(O)m,其中m为0,1或2;环是6元芳香环或5或6元杂芳环;Z和Z'由单键或双键连接,并且是═C-或-N-,前提是两个都不是N;Ra,R1,R2,R3,R3a,R4和R8是指定的有机基团;n为2、3或4,p为0-4;或其盐或N-氧化物或含有它们的组合物,用于控制昆虫、螨、线虫或软体动物。本发明还提供了新的化合物。