Your Query returns 4 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Abcc1bNM_00857610090MRP    Mrp1    Mdrap    Abcc1a    Abcc1   
Abcc1bNM_01879510090Mrp6    Abcc6   
Abcc1bBC04998010090Mrp6    Abcc6   
Abcc1bAF21338910090

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* OMIM link based on symbol match for human and mouse.

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