ID 4722 appears to be First Fractal, which is supposedly a predecessor of Zenith.
ID 226 is indeed a Lesser Restoration Potion, which has been phased out in 1.4.
You can add the following lines to TerrariaResearchTracker.cfg:
omit #226 Lesser Restoration Potion
omit #4722 First Fractal?
Pretty good news if those are the only two items I missed?