 \pig\snake\squirrel\frac{d}{dt}\left\langle D \right\rangle_{\scriptstyle \!  \Psi_{\rm \! {\scriptscriptstyle (gs)}}  }   = {\mathcal A}^{(<)} +{\mathcal A}^{(>)} \;  ,\label{eq:anomaly_2D_delta_radial_delta_prelim2}