(4-([1,1'-BIPHENYL]-4-YLCARBONYL)PHENYL)ARSONOUS DICHLORIDE 6937-33-3 Arsonous dichloride (9CI), (4-([1,1'-biphenyl]-4-ylcarbonyl)phenyl)- Benzophenone, 4-(dichloroarsino)-4'-phenyl- NSC42507