If you cant find it on erowid.org, then it is like pretty likely it does not. Also, google is your friend.
Search it up on the internet. "Due to dihydrocodeine providing a relaxing and euphoric high when taken in higher than therapeutic doses it is quite commonly used recreationally[citation needed]. As mentioned above, dihydrocodeine and its related drugs dihydromorphine and hydrocodone have a tendency to create subjective effects similar to those reported with heroin such as enhanced empathy, euphoria, talkativeness and ability to suspend or dissolve hang-ups and excessive defence mechanisms[citation needed]. The typical recreational dose can be anything from 70mg to 500mg." http://en.wikipedia.org/wiki/Dihydrocodeine I want some man. It says they produce heroin like effects when taken recreationally. Check this Out Use google and check out the first link i am sure it will provide useful information
Oxaprozin is a NSAID (non-steroidal anti-inflammatory drug) most commonly used to relieve inflammation, stiffness, swelling, or joint pain. It has no recreational potential.