1,1-Bis(4-chlorophenyl)-2,2-dichloroethane 1,1-Bis(p-chlorophenyl)-2,2-dichloroethane 1,1-Dichloor-2,2-bis(4-chloor fenyl)-ethaan [Dutch] 1,1-Dichlor-2,2-bis(4-chlor-phenyl)-aethan [German] 1,1-Dichloro-2,2-bis(4-chlorophenyl)-ethane