2-丙基苯并咪唑 、 (E)-2-(8-bromomethyl-3-fluorodibenzo[b,e]oxepin-11(6H)-ylidene)-2-cyclopropylacetonitrile 以obtained in Reference Example 6的产率得到(E)-2-cyclopropyl-2-{3-fluoro-8-[(2-propyl-1H-benzo[d]imidazol-1-yl)methyl]dibenzo[b,e]oxepin-11(6H)-ylidene}acetonitrile