[Pharmacological studies of basic theophylline derivatives. II. Toxicity, effects on tracheal smooth muscle and histamine release].
D000818:Animals; D004487:Edema / Q000139:chemically induced; D006168:Guinea Pigs; D006634:Histamine H1 Antagonists / Q000494:pharmacology; D006636:Histamine Release / Q000187:drug effects*; D066298:In Vitro Techniques; D008297:Male; D008407:Mast Cells / Q000378:metabolism; D051379:Mice; D009130:Muscle, Smooth / Q000187:drug effects*; D051381:Rats; D013806:Theophylline / Q000138:chemical synthesis / Q000494:pharmacology* / Q000633:toxicity*; D014132:Trachea / Q000187:drug effects*
D006634:Histamine H1 Antagonists; D013806:Theophylline