There may be also an N1—H1⋯O4 hydrogen bond amongst the indole nitro­gen and another oxygen of your carboxyl­ate team on the symmetry-created fumarate dianion (Table 2 Displacement ellipsoids are drawn on the 50% probability degree. Hydrogen atoms not associated with hydrogen bonding are omitted for clarity. Hydrogen bonds are demonstrated https://shanekifcy.wikijm.com/691769/5_meo_dalt_freebase_options