1088-64-8 1H-Purine-2,6-dione, 3,7-dihydro-1,3-dimethyl-8-(4-pyridinyl)- (9CI) 8-(4-Pyridyl)theophylline 8-gamma-Piridilteofillina [Italian] 8-gamma-Pyridyltheophylline Theophylline, 8-(4-pyridyl)-