Tough. You weren't believed by the jury. Why was that? The jury only have to think that it is possible that your version is correct, not that they are sure it is. On the other hand, they have to be sure that the prosecution version is correct.
Perjury is a matter for the CPS, not you. If you have new evidence that proves the witness lied in a material fact, you can always submit it for consideration y the CPS. If the evidence you have was already known to you and your lawyers its content could have been put to the prosecution witness; it's difficult to get home on perjury at the best of times so when the material was available, known, and could have been put in, the attitude is that you have had your chance and the material can't have been up to much if it didn't go in
But you can always seek to appeal, subject to your counsel's views.