上游原料
3-Nitrophthalic acid2-(ethoxycarbonyl)-6-nitrobenzoic acidethyl 2-(chlorocarbonyl)-3-nitrobenzoate; 2-Ethoxycarbonyl-6-nitrobenzoyl chlorideethyl 2-[(tert-butoxycarbonyl)amino]-3-nitrobenzoate4'-(bromomethyl)[1,1'-biphenyl]-2-carbonitrile; 4'-bromomethyl-2-cyanobiphenylethyl 2-[[(2'-cyano[1,1'-biphenyl]-4-yl)methyl]amino]-3-nitrobenzoateethyl 3-amino-2-[[(2'-cyano[1,1'-biphenyl]-4-yl)methyl]amino]benzoateethyl 1-[(2'-cyano[1,1'-biphenyl]-4-yl)methyl]-2-ethoxy-1H-benzimidazole-7-carboxylateethyl 2-ethoxy-1-[[2'-(1H-1,2,3,4-tetraazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-1H-benzimidazole-7-carboxylate2-ethoxy-1-[[2'-(1H-1,2,3,4-tetraazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-1H-benzimidazole-7-carboxylic acid2-ethoxy-1-[[2'-(1-trityl-1H-1,2,3,4-tetraazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-1H-benzimidazole-7-carboxylic acidcyclohexyl 1-iodoethyl carbonateethyl 2-chloro-1-[(2'-cyano[1,1'-biphenyl]-4-yl)methyl]-1H-benzimidazole-7-carboxylate