FUB-PB-22 (QUFUBIC) is an indole-based synthetic cannabinoid that is a potent agonist of the CB<sub>1</sub> receptor and has been sold online as a designer drug.
FUB-PB-22 acts as a full agonist with a binding affinity of 0.386nM at CB<sub>1</sub> and 0.478nM at CB<sub>2</sub> cannabinoid receptors.
FUB-PB-22 is an Anlage II controlled substance in Germany. It was scheduled in Japan in July 2014.
As of October 2015 FUB-PB-22 is a controlled substance in China.
It is also banned in Sweden.