1,2-Dichloro-4-nitrobenzene 1-Nitro-3,4-dichlorobenzene 3,4-DICHLORONITROBENZENE 3,4-Dichlornitrobenzen [Czech] 3,4-Dichloronitrobenzen [Czech] 4-05-00-00726 (Beilstein Handbook Reference) 99-54-7 AI3-03268 AI3-03268 (USDA) BRN 1818163 Benzene, 1,2-dichloro-4-nitro- CCRIS 3097 DCNB EINECS 202-764-2 HSDB 4252 NSC 6295