4-Cyano-4'-biphenyl 4-ethyl-trans-cyclohexanecarboxylate 67284-56-4 Cyclohexanecarboxylic acid, 4-ethyl-, 4'-cyano(1,1'-biphenyl)-4-yl ester, trans- EINECS 266-631-0 trans-4'-Cyano(1,1'-biphenyl)-4-yl 4-ethylcyclohexanecarboxylate