2,2-Bis(p-chlorophenyl)ethane 3547-04-4 4-05-00-01881 (Beilstein Handbook Reference) AI3-18063 BRN 1963932 Benzene, 1,1'-ethylidenebis(4-chloro- DDE DDNS DIM Dimic ETHANE, 1,1-BIS(p-CHLOROPHENYL)- K 3926 p,p'-Dichlorodiphenyl ethane