Oxycodone, an opiate agonist, is the active ingredient in a range of narcotic pain medications, including Percocet, Percodan, and OxyContin. OxyContin, on the other hand, is a specific brand name for an opioid pain medication (narcotic drugs) that includes an extended-release version of oxycodone.
https://recoverypartnernetwork.com/drug/opioid/oxycodone-addiction