Steric and Polar Factors Affecting Heteroring Opening of 2-[2-Carboxy-3,4,5,6-tetrachloro]phenyl-4H-3,1-Benzoxazin-4-One by Nitrogen and Carbon Nucleophiles. JAC 2009, 5 (2), 661-668. https://doi.org/10.24297/jac.v5i2.2655.