2,6(1H,3H)-Purinedione, 3-(3-cyclohexen-1-ylmethyl)-1,8-dimethyl- 3-(3-Cyclohexen-1-yl-methyl)-1,8-dimethylxanthine 3-(3-Cyclohexen-1-ylmethyl)-1,8-dimethyl-2,6(1H,3H)-purindion 80294-25-3 Mexafylline Mexafylline [INN] Mexafyllinum