Your Query returns 6 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
DmSYN-2NM_0790387227CG4905    Syn2   
DmSYN-2NM_1661797227CG4905    Syn2   
DmSYN-2NM_1661807227CG4905    Syn2   
DmSYN-2NM_1661817227CG4905    Syn2   
DmSYN-2NM_1762017227CG4905    Syn2   
DmSYN-2NT_0337787227CG4905    Syn2   

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

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Text2Knowledge ... Yong Huang 2002