1,1'-Biphenyl, 4-nitroso- 10125-76-5 4-05-00-01823 (Beilstein Handbook Reference) 4-Nitroso-1,1'-biphenyl 4-Nitrosobiphenyl BIPHENYL, 4-NITROSO- BRN 1940223 CCRIS 2151 p-Nitrosobiphenyl