ethyl 3-[[2-[[4-[5-[2-(6-methylpyridin-2-yl)ethyl]-1H-tetrazol-2-yl]phenyl]amino]naphthalen-1-yl]amino]-3-oxopropionate 、
N1-(1-Nitronaphthalen-2-yl)benzene-1,4-diamine 、
3-(6-Methyl-pyridin-2-YL)-propionic acid 、 N-[3-[5-[2-(pyridin-2-yl)ethyl]-1H-tetrazol-1-yl]phenyl]naphthalene-1,2-diamine 、 4-[3-[5-[2-(Pyridin-2-yl)ethyl]-1H-tetrazol-1-yl]phenyl]-benzo[f]quinoxaline-2,3(1H,4H)-dione 、 4-[3-[5-[2-(pyridin-2-yl)ethyl]-1H-tetrazol-1-yl]phenyl]-benzo[f]quinoxaline-2,3(1H,4H)-dione hydrochloride 以the title compound (72 mg, yield 74%) was obtained as pale yellow oil in the same manner as that of Example 3, (6)的产率得到5-[4-[5-[2-(6-methylpyridin-2-yl)ethyl]-1H-tetrazol-1-yl]-phenyl]-1H-naphtho[1,2-b] [1,4]diazepine-2,4(3H,5H)-dione