Different Forms of Theophylline. There are many different theophylline products available, and most are not equivalent to each other. There are short-acting and long-acting tablets and capsules, as well as a theophylline elixir. An injectable form of the medication is also available.Along with many different generic theophylline products, the following brand-name theophylline medications are also available:ifferent Forms of Theophylline. There are many different theophylline products available, and most are not equivalent to each other. There are short-acting and long-acting tablets and capsules, as well as a theophylline elixir. An injectable form of the medication is also available.
1 Î· ring (eta) â Has components that resemble the delta ring. 2  It was evident during the plane-crossing event in 2007 when the Î· ring became the 2nd brightest ring. 3  Î± and Î² rings (alpha and beta) â These two rings are second only to the Îµ ring in terms of brightness.
Uranus also has rings, and the images that reveal its rings emphasize how tilted this planet is compared to Saturn. The images show that the rings appear vertical, while those in Saturn are horizontal. Like Jupiter, the particles in the rings of Uranus are smaller than those in Saturn's rings.