Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
U1-95.3NR_0020767227K5    U1    CR31185    U1snRNA    U1c-95Cc    snRNA:U1    snRNA:U1:95Cc   
U1-95.3NT_0337777227K5    U1    CR31185    U1snRNA    U1c-95Cc    snRNA:U1    snRNA:U1:95Cc   
U1-95.3X535447227

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

Google

Text2Knowledge ... Yong Huang 2002