| http://www.w3.org/ns/prov#value | - lkyl group which may be substituted with an optionally substituted cyclic amino group, a halogen atom or a hydroxy, R3 is hydrogen atom or an optionally substituted phenyl group, R4 and R5 are a lower alkyl group, and A ring is a non-aromatic 5- to 7-membered nitrogen-containing heterocyclic ring which may be further substituted with a lower alkyl group, (13) the compound described in the above (1
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