What is described are a compound of the formula (I) Wherein A-B is —CH═CH— or —CH2—CH2—; n is 0 or 1; R1, is C1-C12alkyl, C3-C8cycloalkyl or C2-C12alkenyl; R2 and R3 for instance are either, (i) independently from each other for instance -Q, —C(═Y)-Q, or —C(═Y)—O-Q; or (ii) together form with the nitrogen atom to which they are bound a three- to seven-membered ring, (iii) together are ═C(R4)R5; R4 and R5 are, independently from each other, for instance -Q, —C(═Y)-Q, or —C(═Y)—O-Q; Y is O or S; Q is for instance H or unsubstituted or mono- to pentasubstituted C1-C12alkyl; or, if appropriate, an E/Z isomer, E/Z isomer mixture and/or tautomer thereof; a process for preparing these compounds, their isomers and tautomers and the use of these compounds, their isomers and tautomers; pesticidal compositions whose active compound is selected from these compounds and their tautomers; intermediates for the preparation of the said compounds of the formula (I), methods for the preparation of the compounds of the formula (I), and a method for controlling pests using these compositions