1,1'-Biphenyl, 2,4'-dinitro- (9CI) 2,4'-Dinitro-1,1'-biphenyl 2,4'-Dinitrobiphenyl 2,4'-Dinitrodiphenyl 4-05-00-01827 (Beilstein Handbook Reference) 606-81-5 BIPHENYL, 2,4'-DINITRO- BRN 1984994 EINECS 210-124-9