18128-16-0 2-Chloro-4-phenylphenol potassium salt 3-Chloro-(1,1'-biphenyl)-4-ol potassium salt 3-Chloro-4-biphenylol potassium salt 4-Biphenylol, 3-chloro-, potassium salt Caswell No. 209A EPA Pesticide Chemical Code 062207 Potassium 2-chloro-4-phenylphenate