103876-51-3 6-((2-Oxo-3-(1H-tetrazol-5-yl)-2H-1-benzopyran-8-yl)oxy)hexanoic acid 6-(2-Oxo-3-(1H-tetrazole-5-yl)-2H-chromene-8-yloxy)hexanoic acid Hexanoic acid, 6-((2-oxo-3-(1H-tetrazol-5-yl)-2H-1-benzopyran-8-yl)oxy)-