Fentiazoluron, Corteva’s new insecticide, has received its ISO provisional common name - an important step toward global registration and commercialization in key agricultural markets including North America, Europe, and Asia. This article explains why new, selective insecticides are needed, how modern agrochemical design addresses resistance and regulation, and how AI-assisted retrosynthesis with ChemAIRS enables flexible, scalable synthesis planning for real-world agrochemical R&D.