[Production of 8-chloro-and 8-bromotheophyllines].
D002626:Chemistry, Pharmaceutical; D006846:Hydrocarbons, Halogenated / Q000138:chemical synthesis*; D013678:Technology, Pharmaceutical; D013806:Theophylline / Q000138:chemical synthesis*
D006846:Hydrocarbons, Halogenated; D013806:Theophylline
Poluchenie 8-khlor- i 8-bromteofillinov.