To get near this attractive network size, social bots start by befriending each other. Next, the social bots solicit human users. As the bots and humans become friends, the bots drop their original connections with each other, eliminating traces of artificiality. Finally, the bots explore their newfound social network, progressively extending their tentacles through friends of friends.
Xopenex is the active isomer of albuterol (called R-albuterol or levalbuterol). 1  The chemical structures of medications exist as a mixture of mirror images of one another (referred to as a racemic mixture), and only one of these forms is the active medication.
Avonex (interferon beta-1a) Avonex (interferon beta-1a) is an injectable disease-modifying treatment for people diagnosed with MS, made by Biogen Idec. Avonex is indicated (approved for use) for the treatment of relapsing forms of MS to reduce frequency of exacerbations or relapses and to slow the progression of disability. Avonex is also approved for delaying a second exacerbation in people who have been diagnosed with clinically isolated syndrome (CIS).