1,1'-Biphenyl, 4,4'-diphenyl- 1,1':4',1'':4'',1'''-Quaterphenyl 135-70-6 4,4'-Diphenylbiphenyl 88026-50-0 Benzerythrene EINECS 205-213-4 NSC 24860 P-QUATERPHENYL Quadriphenyl p-Tetraphenyl