Disclosed are compounds of the formula and the pharmaceutically acceptable salts thereof wherein the variables G, L, A, W, E, R2, R2, R4, R5, RN, and RC are defined herein. Said system comprises a tubular body wherein an aqueous body is injected into the inlet thereof at a pressure P1, said tubular body having a first zone extending the inlet thereof, a second zone into which an oxidating compound can be injected into the output thereof. A gate stack is disposed above the substrate over the channel region. This is done without affecting system performance by allowing the server to continue performance when an acknowledgment is received from the first relay, without waiting for an acknowledgment from the remote mirror site. Parsing rules are then generated by a process from one or more existing rule templates andor based on user selection and classification of at least a portion of a message.