https://www.drugs.com/imprints/mp-53-69.html
https://www.drugs.com/pro/prednisone.html

I was curious why the pill identifier said mp-53 is Prednisone 20 mg, but when I went to the professional Prednisone page it said Prednisone 20 mg is "20 mg, round, white, scored tablets (Identified 54 760)". Are these two different drugs? And why would they have different labels?