The present invention discloses novel compounds which have HCV protease inhibitory activity as well as methods for preparing such compounds. The controller determines whether there is capacity in the state of charge of a high voltage battery to permit brake regeneration, andor determines whether there is capacity in on board air tanks to permit a compressor motor to compress air, thereby drawing charge from the battery to create brake regeneration capacity. One category consists of the information that is generic to all instances of the service. The detector receives a signal of interest emitted from the sample. The switchable coupling section is switchable to a first state and a second state. The ferroelectric emitter of the present invention guarantees uniform electron emission from wide and narrow gaps of a mask layer and in an isolated pattern such as a doughnut shape for ferroelectric switching emission lithography.