1,1'-Biphenyl, 2,2'-dimethyl- 1-Methyl-2-(2'-methylphenyl)benzene 2,2'-DIMETHYL-1,1'-BIPHENYL 2,2'-Dimethylbiphenyl 2,2'-Ditolyl 605-39-0 NSC 90724 o,o'-Bitolyl (8CI)