The pill you have found is
Cyclobenzaprine 10 MG
Imprint Code DAN / 5658
Color white
Shape round
Cyclobenzaprine is a muscle relaxant. Cyclobenzaprine is used to relieve pain, tenderness, and limitation of motion caused by muscle spasms. It is used, along with rest and physical therapy, for short-term treatment (i.e., 2 to 3 weeks).
More info at
http://cyclobenzaprine.drugs.com