The invention provides novel compounds having the general formula (I)wherein RA, RB, RC, RC1and W are as defined herein, compositions including the compounds and methods of using the compounds.本發明提供具有通式(I)之新穎化合物,其中RA、RB、RC、RC1及W如本文所定義,包括該等化合物之組合物及該等化合物之使用方法。