Crystal structures of (<i>Z</i>)-5-[2-(benzo[<i>b</i>]thiophen-2-yl)-1-(3,5-dimethoxyphenyl)ethenyl]-1<i>H</i>-tetrazole and (<i>Z</i>)-5-[2-(benzo[<i>b</i>]thiophen-3-yl)-1-(3,4,5-trimethoxyphenyl)ethenyl]-1<i>H</i>-tetrazole
Acta crystallographica. Section E, Crystallographic communications