3172-33-6 Bis((1,1'-biphenyl)-4-yl)diphenylsilane Bis(p-biphenyl)diphenylsilane EINECS 221-636-7 NSC 33025 Silane, bis((1,1'-biphenyl)-4-yl)diphenyl- Silane, bis(4-biphenylyl)diphenyl- (8CI)