It is
Cyclobenzaprine 10mg tablet.
Trade Name Cyclobenzaprine HCl
Generic Name Cyclobenzaprine HCl Tab 10 MG
NDC 00378075101
Manufacturer or
Distributor MYLAN
Imprint front: M
Imprint back: 751
Color: butterscotch yellow
Shape round
Coating film-coated
Drug information available at
http://cyclobenzaprine.drugs.com/