Your Query returns 12 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Il1r2NM_01055510090CD121b    Il1r-2    147811
Il1r2NW_04781410116
IL1R2BC0277339606IL1RB    MGC47725    147811
IL1R2BC0390319606IL1RB    MGC47725    147811
IL1R2AC0071659606147811
IL1R2AY1240109606147811
IL1R2NM_0046339606IL1RB    MGC47725    147811
IL1R2NM_1733439606IL1RB    MGC47725    147811
Il1r2NT_08007010090147811
Il1r2BC03296210090CD121b    147811
IL1R2NT_0221719606147811
Il1r2NM_05395310116

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

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Text2Knowledge ... Yong Huang 2002