title: 7-Substituted theophyllines (I), theophylline-7-acetamides, and -malondiamides.
mesh_terms: D000081:Acetamides / Q000138:chemical synthesis; D000215:Acylation; D000577:Amides / Q000138:chemical synthesis; D055598:Chemical Phenomena; D002621:Chemistry; D006834:Hydrazines; D008314:Malonates / Q000138:chemical synthesis; D011720:Pyrazoles; D013806:Theophylline / Q000138:chemical synthesis*
chemical_list: D000081:Acetamides; D000577:Amides; D006834:Hydrazines; D008314:Malonates; D011720:Pyrazoles; D013806:Theophylline