No. This is alprazolam (Xanax).
[source]
Also they do ENTIRELY DIFFERENT THINGS. Fentanyl is generally used for pain, Xanax for anxiety. Fentanyl is a schedule II drug and is more severely restricted than Xanax, which is Schedule IV (still controlled substance, but not as high).
Demyx: I’m not going in there!
Zexion: And why not?
Demyx: Because castles have paintings with eyes that watch you, and suits of armour you think are statues, but there’s a guy inside who follows you every time you turn around!
Zexion:
Zexion: How many times has that actually happened?
Demyx: Twelve. I’m not gonna do it.
DarkestElemental616 