2051-90-3 Benzene, 1,1'-(dichloromethylene)bis- Benzophenone dichloride DICHLORODIPHENYL METHANE DPM (VAN) DPM (halocarbon) Dichloro(diphenyl)methane Diphenyldichloromethane EINECS 218-134-5 Methane, dichlorodiphenyl- (8CI) NSC 37425 alpha,alpha-Dichlorodiphenylmethane