title: [Synthesis and properties of 7- and 8-piperazine derivatives of theophylline].
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D010879:Piperazines / Q000138:chemical synthesis* / Q000494:pharmacology; D013806:Theophylline / Q000031:analogs & derivatives* / Q000138:chemical synthesis / Q000494:pharmacology
chemical_list: D010879:Piperazines; D013806:Theophylline
vernacular_title: Synteza i właściwości 7- i 8-piperazynowych pochodnych teofiliny.