(1,1'-Biphenyl)-2,2'-dicarboxamide, 4,4',6,6'-tetranitro- 125110-12-5 2,4,2'4'-Tetranitro-6,6'-diaminocarbonylbiphenyl 4,4',6,6'-Tetranitro-(1,1'-biphenyl)-2,2'-dicarboxamide 4,4',6,6'-Tetranitrobiphenyl-2,2'-dicarboxamide Diamide of 2,4,4',6'-tetranitrobiphenyl-2',6-dicarboxylic acid