Pentoxifylline EP Impurity F

1,3,7-trimethyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione;|1,3,7-trimethyl-3,7-dihydro-1H-purine-2,6-dione ;|1,3,7-Trimethylxanthine|7-Methyltheophylline|Caffeine ; 3,7-Dihydro-1,3,7-trimethyl-1H-purine-2,6-dione ;|Dasin ; Wigraine ; Mateina ; Theophylline EP Impurity A|Pentoxifylline EP Impurity F|Pentoxifylline EP Impurity F ;