There is certainly also an N1—H1⋯O4 hydrogen bond involving the indole nitrogen and another oxygen of the carboxylate team on a symmetry-produced fumarate dianion (Desk 2 Displacement ellipsoids are drawn on the 50% likelihood stage. Hydrogen atoms not involved with hydrogen bonding are omitted for clarity. Hydrogen bonds are demonstrated https://5-meo-daltfreebase12075.empirewiki.com/8086595/5_simple_techniques_for_5_meo_dalt_freebase
