///////////////////////阿齐沙坦杂质

阿齐沙坦杂质A methyl 1-[（2'-carbamoylbiphenyl-4-yl）methyl]-2-ethoxybenzimidazole-7-carboxylate

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B 1-[（2'-carbamoylbiphenyl-4-yl） methyl]-2-ethoxybenzimidazole-7-carboxylic acid

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C （Z）-2-ethoxy-3-（（2'-（N'-hydroxycarbamimidoyl）biphenyl-4-yl）methyl）-3H-benzo[d]imidazole-4-carboxylic acid

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D （Z）-3-（（2'-（N'-hydroxycarbamimidoyl）biphenyl-4-yl）methyl）-2-oxo-2,3-dihydro-1H-benzo[d]imidazole-4-carboxylic acid

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E ethyl 3-amino-2-（（2'-cyanobiphenyl-4-yl）methylamino）benzoate

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F methyl 3-amino-2-（（2'-carbamoylbiphenyl-4-yl）methylamino）benzoate
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G （Z）-methyl 3-amino-2-（（2'-（N'-hydroxycarbamimidoyl） biphenyl-4-yl）methylamino）benzoate
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H （Z）-methyl 3-（（2'-（N'-hydroxycarbamimidoyl）biphenyl-4-yl）methyl）-2-oxo-2,3-dihydro-1H-benzo[d]imidazole-4-carboxylate

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I methyl 3-（（2'-cyanobiphenyl-4-yl）methyl）-2-oxo-2,3-dihydro-1H-benzo[d]imidazole-4-carboxylate
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J methyl 2-oxo-3-（（2'-（5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl）biphenyl-4-yl）methyl）-2,3-dihydro-1H-benzo[d]imidazole-4-carboxylate

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K 2-oxo-3-（（2'-（5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl） biphenyl-4-yl）methyl）-2,3-dihydro-1H-benzo[d]imidazole-4-carboxylic acid

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L 3-（（2'-carbamimidoylbiphenyl-4-yl）methyl）-2-ethoxy-3H-benzo[d]imidazole-4-carboxylic acid

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M 3-（（2'-cyanobiphenyl-4-yl）methyl）-2-ethoxy-3H-benzo[d]imidazole-4-carboxylic acid

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N 3-（（2'-carbamoylbiphenyl-4-yl）methyl）-2-oxo-2,3-dihydro-1H-benzo[d]imidazole-4-carboxylic acid

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O methyl 3-（（2'-carbamoylbiphenyl-4-yl）methyl）-2-oxo-2,3-dihydro-1H-benzo[d]imidazole-4-carboxylate

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（杂质abcdefghijklmn，有货）