| http://www.w3.org/ns/prov#value | - As a heterocyclic compound having an angiotensin II antagonistic activity, a benzimidazole derivative represented by the formula (I): wherein R1 is a group capable of forming an anion or a group capable of being converted into such a group, X denotes that a phenylene group and a phenyl group are bound directly or through a spacer having 2 or less of atomic chains, n is an integer of 1 or 2, ring A
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