1,3,7,Trimethylxanthine; 1,3,7-Trimethyl-7H-purine-2,6-dione; 7-Methyltheophylline; 1,3,7-Trimethyl-2,6-dioxopurine; Asia migrine,1,3,7-trimethyl-1H-purine-2,6(3H,7H)-dione,"Caffeine is a bitter, white crystalline xanthine alkaloid that acts as a stimulant drug and a reversible acetylcholinesterase inhibitor. Caffeine is found in varying quantities in the seeds, leaves, and fruit of some plants, where it acts as a natural pes",Pentoxifylline Therapeutic
