(1,1'-Biphenyl)-4-carbonitrile, 4'-butoxy- 4'-Butoxy(1,1'-biphenyl)-4-carbonitrile 4'-Butoxy-(1,1'-biphenyl)-4-carbonitrile 4-Butoxycyanodiphenyl 4-Cyano-4'-butoxybiphenyl 4OCB 52709-87-2 BRN 2731691 EINECS 258-123-2