SEARCH Articles Figures Tables 42-Isoxazoline ring 42-Isoxazolines 42-Isoxazoline ring 42-Isoxazolines Intramolecular cycloadditions isoxazoline ring cleavage Isoxazoline Isoxazoline ring opening Isoxazolines Isoxazolines reductive ring fission Nitrile oxides isoxazoline ring cleavage