2-furancarboxylic acid, 3-bromo-5-(phenylthio)- 3-bromo-5-(phenylthio)-2-furoic acid InChI=1/C11H7BrO3S/c12-8-6-9(15-10(8)11(13)14)16-7-4-2-1-3-5-7/h1-6H,(H,13,14