Crystal structures of the sulfones of 2,3-diphenyl-2,3-di-hydro-4 H-1,3-benzo-thia-zin-4-one and 2,3-diphenyl-2,3-di-hydro-4 H-pyrido[3,2- e][1,3]thia-zin-4-one
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The title sulfones, 2,3-diphenyl-2,3-di-hydro-4H-1,3-benzo-thia-zine-1,1,4-trione, C20H15NO3S, and 2,3-diphenyl-2,3-di-hydro-4H-pyrido[3,2-e][1,3]thia-zine-1,1,4-trione, C19H14N2O3S, crystallize in space group P21/n with two mol-ecules in each of the asymmetri... ...
