2-Butenoic acid, 4-(2'-chloro(1,1'-biphenyl)-4-yl)-2-methyl-4-oxo- 2-Methyl-4-oxo-4-(4'-o-chlorophenylphenyl)-2-butenoic acid 4-(2'-Chloro(1,1'-biphenyl)-4-yl)-2-methyl-4-oxo-2-butenoic acid 58182-67-5 F 1439