1,1'-Biphenyl, 2-chloro- 2-Chloro-1,1'-biphenyl 2-Chlorobiphenyl 2-Chlorodiphenyl 2-Monochlorobiphenyl 2051-60-7 Biphenyl, 2-chloro- NSC67354 WLN: GR BR o-Chlorobiphenyl o-Chlorodiphenyl