In the title compound C38H32N4O3. one pyrrolidine ring adopts an envelope conformation with the N atom as the flap while other pyrrolidine ring adopts an twisted conformation. The pyrrolizine ring forms dihedral angles of 79. 24 (5) and 77. https://www.markbroyard.com/best-flash-pp-aluminum-lotion-pump-supply-amazing-save/