Directional Quadrate-Pair of Rolling-Structure Technique on Crack Images.

3,4-Dihydro-2H-1,2-benzothiazine 1,1-dioxides of the formula (I) wherein Ph represents a substituted or unsubstituted 1,2-phenylene radical, R represents a substituted or unsubstituted benzopyrone radical, and R1 represents hydrogen or a substituted or unsubstituted hydrocarbon radical of aliphatic character, and their salts, possess antiinflammatory properties and are useful as medicaments.