A method of purifying an organometallic compound by heating the organometallic compound in the presence of a trialkyl aluminum compound and a catalyst. The gaming device enables the player to place a first wager for a play of the game. Unified management and allocation of the public IP address of the CGN device can be implemented through the method, the apparatus, and the system provided in the embodiments of the present invention. In response to determining by the program that the sentinel indicator exists, the IO operation is performed by the program. The present invention also provides methods for preparing compounds of formula I and using the same in treating p38 mediated disorders in a subject.