Preparation and properties of 8-chlorotheophylline salts of some nitrogen bases.
D004091:Hydromorphone; D007202:Indicators and Reagents; D008614:Meperidine; D009022:Morphine Derivatives; D009584:Nitrogen; D009711:Nucleotides; D012492:Salts; D013806:Theophylline / Q000031:analogs & derivatives
D007202:Indicators and Reagents; D009022:Morphine Derivatives; D009711:Nucleotides; D012492:Salts; D008614:Meperidine; D013806:Theophylline; C030093:8-chlorotheophylline; D009584:Nitrogen; D004091:Hydromorphone
DIHYDROMORPHINONE/preparation of; MEPERIDINE/preparation of; MORPHINE/derivatives; THEOPHYLLINE/derivatives