Do you mean DVD CP72?
If so, then all the individual IR commands are known, so any Logitech Harmony could be used, or a large number of remotes made by UEI. Universals are unlikely to have buttons with each changer function name, but the above remotes can have the necessary commands programmed onto a button of your choice.

UEI remotes are pretty inexpensive. In fact you may have a cable remote laying around that would work, if you have Comcast, Cox, Time Warner, etc. Or Vizio high end TV. Nearly any OneForAll, and some Radio Shack remotes would will work.

If you want to buy new, the RCA RCRP05B ($20 at Best Buy, or Walgreens is running a special at the moment for $15), or the OneForAll URC-8820N at Sears are good.

Use Setup Code Video 0490, and we can tell you how to add in specific changer commands.