Compounds having the general formula wherein R1, R2, R3, R4, R5, X1 and X2 are as defined in the specification, methods of using such compounds for the treatment of diseases and pharmaceutical composition comprising such compounds. The display apparatus displays the information provided on the screen in the daytime, and performs display by the projection display device via a window in the screen in the nighttime when there is no effect of external light. Then, phone number sources are searched to retrieve candidate numbers according to the partial number string. The first advantage is that the dependence of TBU parameters on poorly controlled depletion mode device parameters can be reduced or eliminated. Then the electronic package physical design data are modified to limit the vertically coupled noise. The camera can recover the 3D structure of the hidden object.