Preparation and properties of 8-chlorotheophylline salts of some alkaloids.
D000470:Alkaloids; D012492:Salts; D013806:Theophylline / Q000031:analogs & derivatives
D000470:Alkaloids; D012492:Salts; D013806:Theophylline; C030093:8-chlorotheophylline
ALKALOIDS; THEOPHYLLINE/derivatives