Provided are a method, a system, an article of manufacture, and a computer program product, wherein a first indicator is stored for a first entity, and wherein the first indicator identifies groups to which the first entity belongs and operations associated with the groups. An application program interface for the access system enables an application without a web agent front end to read and use contents of an existing encrypted cookie to bypass authentication and proceed to authorization. The photoacid generators are compatible with resins and can control acid diffusion and are thus suited for use in chemically amplified resist compositions. 2) Partially normalizes the class of service characteristics of data traffic to make it more predictable and can dynamically adjust the bandwidth such that requests for resources can be honored with a higher success rate, and 3) Maintains multiple qualities of service for multiple voice and data streams drawing from a single resource pool. The power signal to the communication device may also be fluctuated to provide useful information, such as status information, to the communication device. This invention also provides pyrogen-free compositions comprising one or more compounds of the invention and the use of the disclosed compounds and compositions in methods of treating diseases and conditions that are treated by administration of an phosphodiesterase inhibitor, such as cilostazol.