1029-62-5 1H-Purine-2,6-dione, 3,7-dihydro-1,3-dimethyl-8-(3-pyridinyl)- (9CI) 8-(3-Pyridyl)theophylline 8-beta-Piridilteofillina [Italian] 8-beta-Pyridyltheophylline BRN 0621137 NSC 292894 Theophylline, 8-(3-pyridyl)-