USP 5756271 gives a close approximation to XTOL, the main differences being in the tweaks for manufacturing. Bill assures me, that after talking to the inventors, it is the exact formula.

Comparison of this formula with what is posted above should give us a good comparison between the two and see what is changed or not changed.

You can find the formula in the patent or in Anchell and Troop, p 49.