There isn't a direct equivalent to this pair in the Alliant range. URP is a step faster burning than N204 which in turn is very similar in burn rate terms to H4350. N204 can give higher MVs than H4350, but needs a case with enough room to accommodate a larger and slightly bulkier charge. N204 is mild double-based, 4.5% nitroglycerin content; URP is a hot number - 10.5% nitroglycerin. Only MRP has a higher % and not by much. URP should work well in 6.5X47 Lapua if you can find any. Lyman's slim paperback manual called 'The long-Range Precision Rifle Reloading Manual has URP loads for 6.5X47L and 6.5mm Creedmoor with a 'most accurate' award for one bullet in each.
https://www.amazon.co.uk/Lyman-Precision-Rifle-Reloading-Handbook/dp/B07952XHJ8/ref=sr_1_2?keywords=lyman+long+range+precision+rifle+manual&qid=1637773635&qsid=257-0370018-6703523&sr=8-2&sres=B07952XHJ8,B08MWDJQ9N,B08N1BM3NT,B08N1SJ3WX,B08MWPKJ3Y,1660025052,1660020360
I've just finished a review of a four part feature on H4350/H414 alternatives in the UK / Europe since neither Hodgdon grade can now be imported over here.
http://www.targetshooter.co.uk
and scroll down below the home page pics and links to the column headed 'Recent Articles' to those called 'Reach Out!'
This series also covers Re16 and 17 among others.
Re17 is one of Alliant's Swiss manufactured 'EI' infused deterrent / 'High-Energy' powders from Nitrochemie Wimmins AG. Most Re grades including the TZ grades and AR-Comp which uses the same technology come from Eurenco Bofors in Sweden which also manufactures all Norma canister grade propellants. You cannot compare the Bofors and Nitrochemie powders directly because of their different technologies and sources.