Synonyms: Ethylene,1,1-bis(p-chlorophenyl)- (6CI,7CI,8CI); 1,1-Bis(4-chlorophenyl)ethene;1,1-Bis(4-chlorophenyl)ethylene; 1,1-Bis(p-chlorophenyl)ethene;1,1-Bis(p-chlorophenyl)ethylene; 1,1'-Ethenylidenebis[4-chlorobenzene]; DDNU;DMC ethylene; NSC 2366; unsym-Bis(p-chlorophenyl)ethylene