- Phosphonic acid derivatives having carboxypeptidase b inhibitory activity
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A compound represented by the following general formula (I) and a pharmacologically acceptable salt thereof: wherein R1represents hydrogen atom, an alkyl group, a substituted alkyl group and the like; R2and R3represent hydrogen atom, an alkyl group, a substituted alkyl group, an alkoxyl group and the like; X represents —CH2—, —O—, or —NH—; A represents the following group (II): [in which R7and R8represent hydrogen atom, an alkyl group, an acyl group, an alkoxycarbonyl group and the like; R9and R10represents hydrogen atom, a halogen atom, hydroxyl group, phenyl group, an alkyl group and the like] and the like; and E represents hydrogen atom and the like, which has inhibitory activity against carboxypeptidase B and is useful for therapeutic and/or preventive treatment of a thrombotic disease.
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