1,1‘-Biphenyl, 2,2‘-dinitro-, 2,2'-DINITROBIPHENYL, 2,2'-Dinitro-1,1'-biphenyl, 2,2'-dinitrodiphenyl, o,o'-binitrobiphenyl, 2,2'-DIHYDROXY-6,6'-DINAPHTHYL DISULFIDE, 1-nitro-2-(2-nitrophenyl)benzene, o,o'-Dinitrobiphenyl, Biphenyl,2,2'-dinitro, 1,1'-Biphenyl,2,2'-dinitro