371. 3,3',5,5',6,6'-Hexachlor-2,2'-dihydroxydifenylmethan** (hexachlorofen);
2,2'-Dihydroxy-3,3',5,5',6,6'-hexachlorodiphenylmethane (Hexachlorophene)***
371. 3,3',5,5',6,6'-Hexachlor-2,2'-dihydroxydifenylmethan** (hexachlorofen);
2,2'-Dihydroxy-3,3',5,5',6,6'-hexachlorodiphenylmethane (Hexachlorophene)***