Your Query returns 2 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
DmHDAC3NM_1437217227HDAC    CG2128    dHDAC3    dmHDA402    HDAC3   
DmHDAC3NT_0337777227HDAC    CG2128    dHDAC3    dmHDA402    HDAC3   

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

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Text2Knowledge ... Yong Huang 2002