Invalid module

Invalid module

I am writing COQL query on LinkingModule2 table. The query is ,

SELECT  Products_Name FROM LinkingModule2 WHERE Id != ''

When I execute it, I am getting error as,
{"code":"INVALID_MODULE","details":{},"message":"the module name given seems to be invalid","status":"error"}

I can execute this query ,
select Deal_Name from Deals WHERE Lead_Source='Dealer'

But the query of linkingmodule2 is giving error.  In the list of API's , I can not find linkingmodule2 .