Crystalline anhydrous-hydrate phase changes of caffeine and theophylline in solvent-water mixtures.
D002110:Caffeine; D055598:Chemical Phenomena; D002621:Chemistry; D012995:Solubility; D012997:Solvents; D013806:Theophylline; D014867:Water
D012997:Solvents; D014867:Water; D002110:Caffeine; D013806:Theophylline