1940-43-8 2,2'-Dihydroxy-3,3',5,5'-tetrachlorodiphenylmethane 2,2'-Methylenebis(4,6-dichlorophenol) NSC14796 Phenol, 2,2'-methylenebis[4,6-dichloro- Tetrachlorophene WLN: QR BG DG F1R BQ CG EG