Disclosed is a compound which is useful as an endothelial lipase inhibitor. In accordance with specific embodiments of the present invention, it is possible to improve performance of the photodetector and simplify the manufacturing process thereof. The internal processing circuit connected to the interrupt generating circuit, generates dying gasp signals according to the interrupt signals, and includes an input end. A processing module of the host bus adapter module extracts the session information of each frame and compares it with entries recorded in a look-up table.