In the title compound, C(15)H(19)ClN(4)O(3), an active agrochemical possessing insecticidal activity, the dihedral angle between the mean planes passing through the pyridine ring and the five-membered ring is 87.3 (2)°. The fused pyridine ring adopts a twisted sofa conformation. The mol-ecular structure features close intra-molecular C-H⋯N and C-H⋯O hydrogen bonding.