differentiation operator D {\displaystyle D} D f ( x ) = d d x f ( x ) , {\displaystyle Df(x)={\frac {d}{dx}}f(x)\,,} and of the integration operator J {\displaystyle
2C-B-DRAGONFLY (2C-B-DFLY) is a recreational designer drug with psychedelic effects. It can be regarded as the fully aromatic derivative of 2C-B-FLY. 2C-B-DRAGONFLY