If this is it:
http://media.cornerdrugstore.com/dru...7/acet009g.jpg
With 512 on one side and scored on the reverse, then it is:
Acetaminophen 325mg/Oxycodone 5mg
ACETAMINOPHEN-OXYCODONE (Percocet(R),
Roxicet(R),
Tylox(R), Roxilox(R)) is a combination of two different types of pain medicine and is used to treat moderate to severe pain.