1H-Purine-2,6-dione, 8-(2-(1,3-benzodioxol-5-yl)ethenyl)-3,7-dihydro-1,3-dimethyl- (9CI) 73908-79-9 8-(3,4-(Methylenedioxy)styryl)theophylline NSC 106220 Theophylline, 8-(3,4-(methylenedioxy)styryl)-