The invention provides new heterocyclic compounds having the general formula (Ie)wherein R1, R1aand R7are as described herein, compositions including the compounds, processes of manufacturing the compounds and methods of using the compounds.本發明提供具有通式(Ie)之新穎雜環化合物,其中R1、R1a及R7係如本文所闡述;包括該等化合物之組合物;製造該等化合物之製程;及使用該等化合物之方法。