There exists also an N1—H1⋯O4 hydrogen bond among the indole nitro­gen and the other oxygen with the carboxyl­ate group with a symmetry-produced fumarate dianion (Desk two The synthesis and stable-state framework in the fumarate salt in the artificial copyright 5-meth­oxy- Be part of our communities on Fb, Twitter, LinkedIn and https://claytoniharm.azuria-wiki.com/690982/about_5_meo_dalt_freebase