193151-96-1

4-(4-Oxo-chromen-6-yl)benzoic acid 4-(2,3-Dihydrobenzo[1,4]dioxin-6-yl)benzoic acid 4-(2-Oxo-2,3-dihydrobenzothiazol-6-yl)benzoic acid 4-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)benzoic acid Benzoic acid, 4-(2,3-dihydro-1,4-benzodioxin-6-yl)- 4-(3-Oxo-3,4-dihydro-2H-benzothiazin-7-yl)benzoic acid