(1,1'-Biphenyl)-4-carbonitrile, 4'-(hexyloxy)- 4'-(Hexyloxy)(1,1'-biphenyl)-4-carbonitrile 4'-(Hexyloxy)-(1,1'-biphenyl)-4-carbonitrile 4-(4-Hexyloxyphenyl)benzonitrile 4-Cyano-4'-hexoxybiphenyl 4-Hexyloxycyanodiphenyl 41424-11-7 6OCB BRN 2216640 CHB EINECS 255-358-2 Liquid crystal 549