1-(4-Isocyanato-phenyl)-1,2,3,4,5,6-hexahydro-[4,4']bipyridinyl 、
3-amino-5-(2-phenylethyl)-1-propyl-1,3-dihydro-2H-1,4-benzodiazepin-2-one 生成 1-(2-Oxo-5-phenethyl-1-propyl-2,3-dihydro-1H-benzo[e][1,4]diazepin-3-yl)-3-[4-(3,4,5,6-tetrahydro-2H-[4,4']bipyridinyl-1-yl)-phenyl]-urea