4'-butoxybiphenyl-4-carbonitrile, 4'-butoxy(1,1'-biphenyl)-4-carbonitrile, 4-cyano-4'-n-butyloxybiphenyl, 4OCB, 4-cyano-4'-butyloxybiphenyl, 4-butoxy-4'-cyano-biphenyl, 4-n-butyloxy-4'-cyanobiphenyl, 4-Butoxycyanodiphenyl, 4'-Butoxy-4-biphenylcarbonitrile, 4-Cyano-4'-butoxybiphenyl, EINECS 258-123-2