Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
snRNA:U1:95CcNR_0013787227
snRNA:U1:95CcNR_0020767227K5    U1    CR31185    U1-95.3    U1snRNA    U1c-95Cc    snRNA:U1   
snRNA:U1:95CcNT_0337777227K5    U1    CR31185    U1-95.3    U1snRNA    U1c-95Cc    snRNA:U1   

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

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Text2Knowledge ... Yong Huang 2002