title: Structural differences in solutions derived from polymorphic modifications of aspirin.
mesh_terms: D001241:Aspirin; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D004126:Dimethylformamide; D006859:Hydrogen; D007700:Kinetics; D000644:Quaternary Ammonium Compounds; D012996:Solutions
chemical_list: D000644:Quaternary Ammonium Compounds; D012996:Solutions; D006859:Hydrogen; D004126:Dimethylformamide; D001241:Aspirin