Your Query returns 11 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Ntsr2NM_00874710090NTRL   
Ntsr2NM_02269510116
NTSR2BC0225019606NTR2   
NTSR2BC0377769606NTR2   
NTSR2NM_0123449606NTR2   
Ntsr2AB04182610090
Ntsr2AB04182710090
Ntsr2AB04182810090
Ntsr2AB05646610090
Ntsr2NT_03953910090
NTSR2NT_0053349606

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

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Text2Knowledge ... Yong Huang 2002