Nitrous compounds used to control or control invertebrate pests. Use these compounds to control invertebrate pests, plant borne materials, and agricultural and veterinary components including these compounds. 3. Intermediate compounds in the process of compound preparation. 1. Requirement 1: azolin compound with (1) formulation characteristics；Where: X1 is o or ch832222；A is group A1 or A2；A1 is a formula group (3), where ". 35； represents a link (1) to the aromatic ring of the formula；and W¹ is selected from O and S； and A² is a group -C (R⁷ᵃ) (R⁷ᵇ) -N (R⁵²) -C (= O) -R⁶²；B1,B.,B3,B 83088 and B 8309099 were independent of N and C groups；As long as, at most one B1,B.,B3,B83088 and b8309se n； r75011； 1 and r75012； jointly form a selected bridge group, de-ch8322；； ch8322jo -,-OCH₂CH₂-,-CH₂OCH₂-,-8.8322 is-CH CH S (O) --S (O) CH CH --CH S (O) CH --S (O) CH S (O) --OCH S (O) --S (O) CH O--OCH₂CH₂CH₂-,-Ch8322； - ch8322； - ch8322； - or-CH₂OCH₂CH₂-,-CH CH OCH --OCH₂CH₂O-,-OCH₂OCH₂-,-CH₂OCH₂O-,-S (O) CH CH CH --CH CH CH S (O) --CH S (O) CH CH --CH CH S (O) CH --S (O) CH CH S (O) --S (O) CH S (O) CH --CH S (O) CH S (O) --S (o) 8346ch8322； - ch8322； - or-OCH CH S (O) --S (O) CH OCH --OCH₂S (O) ₚCH₂-,-Ch8322； oc8322 (o) 8346 (y-ch8322)； s (o) 8346 (ch8322)； O -；where p is 0, 1 or 2, where the hydrogen atoms of the above groups can be replaced by one or more substituents selected from halogen, methyl, halogenated methyl, hydroxyl, methoxy and halogenated methoxy； and / or one or two CH₂ groups from the above groups can be replaced by a C = O group； R¹ is C₁-haloalkyl； each R² is independently selected from the group consisting of hydrogen, halogen, C₁₋₂-haloalkoxy and C₁₋₂-haloalkyl； R³ᵃ and R³ᵇ are selected, independently of each other,a. Keywords selected independently from hydrogen and halogen； r8311； r749111 and r8311； 74955；1. From hydrogen, cyanogen, methyl and c83218 halogen halide； r8309；]from the group consisting of hydrogen, C₁₋₃-alkyl, C₂₋₃-alkenyl, C₂₋₃-alkynyl, C₁₋
