A wiring board of the present invention includes: a through hole, provided in a semiconductor chip mounted region, penetrating the wiring board ; and a groove pattern, provided on a solder resist formed on the semiconductor chip mounted region, leading to the through hole. The tools will aid the trader in determining the status, trends in the market, and the trader’s position in the market. The learning algorithm is applied to a training data set. The monitoring window is shifted as a function of the ultrafiltration rate. The compound of formula can be used in the preparation of 7-benzyloxy-3–2H-1-benzopyran,Preparation processes of said compound of formula are also disclosed herein. The request is sent to the IO controller via a second bus connected between a second port of the memory controller and the IO controller.