for the following products
(trans,trans)-4'-propyl-[1,1'-bicyclohexyl]-4-carboxylic acid | trans,trans-4'-N-Propylbicyclohexyl-4-carboxylic acid | trans-4-Propyl-(1,1-bicyclohexyl)-4-carboxylic acid and trans-4-(trans-4'-Propylcyclohexyl)cyclohexanecarboxylic acid
