2'-acetylbiphenyl-2-carboxylic acid InChI=1/C15H12O3/c1-10(16)11-6-2-3-7-12(11)13-8-4-5-9-14(13)15(17)18/h2-9H,1H3,(H,17,18 [1,1'-biphenyl]-2-carboxylic acid, 2'-acetyl-