3-(5-formyl-2,4-dimethyl-pyridin-3-yloxymethyl)-benzonitrile 、
4'-氨基-4-氰基联苯 以gave 4′-{[5-(3-cyano-benzyloxy)-4,6-dimethyl-pyridin-3-ylmethyl]-amino}-biphenyl-4-carbonitrile (28) (5.0 g, 30% yield) as a colorless solid的产率得到4'-{[5-(3-cyano-benzyloxy)-4,6-dimethyl-pyridin-3-ylmethyl]-amino}-biphenyl-4-carbonitrile