Abstract: The present invention relates to azoline compounds which are useful for combating or controlling invertebrate pests, in particular arthropod pests and nematodes. The invention also relates to a method for controlling invertebrate pests by using these compounds and to plant propagation material and to an agricultural and a veterinary composition comprising said compounds.

Abstract: The invention relates to aminoquinazoline compounds or the enantiomers or veterinarily acceptable salts thereof which are useful for combating or controlling invertebrate pests, in particular arthropod pests and nematodes. The invention also relates to methods for controlling invertebrate pests by using these compounds and to plant propagation material and to agricultural and veterinary compositions comprising said compounds. wherein A1, A2, A3, A4, R1, R2, R3, R4, R5a, R5b, R5c, R5d and p are defined as in the description.

Abstract: The present invention relates to the 3-arylquinazolin-4-one compounds of the formula I and the salts thereof, wherein n is 0, 1 or 2; X is O, S or N—R4; Y1 is N or CH; Y2 is N or C—R5; R1 is C1-C10-alkyl, C1-C10-haloalkyl, C2-C10-alkenyl, C2-C10-haloalkenyl, C2-C10-alkynyl, C2-C10-haloalkynyl, C3-C12-cycloalkyl, C5-C12-cycloalkenyl, C3-C12-cycloalkyl-C1-C4-alkyl, C5-C12-cycloalkenyl-C1-C4-alkyl, where the cycloalkyl radical and the cycloalkenyl radical in the last four mentioned radicals are unsubstituted, partially or fully halogenated and/or carry 1, 2, 3, 4, or 5 C1-C4-alkyl radicals; R2 is hydrogen, halogen, CN, C(Z)NH2, C1-C4-alkyl or C1-C4-haloalkyl, wherein Z is O, S or NR6; and the variables k, R, R3, R4, R5 and R6 are as defined in the claims. The invention also relates to the use of novel compounds of formula I for combating invertebrate pests and to a method for controlling invertebrate pests.