Methyl 4-hy-droxy-1,1-dioxo-2-(2-phenyl-eth-yl)-2H-1λ,2-benzothia-zine-3-carboxyl-ate.

Methyl 4-hy-droxy-1,1-dioxo-2-(2-phenyl-eth-yl)-2H-1λ,2-benzothia-zine-3-carboxyl-ate.