Diprophylline479-18-5100 % similar Proxyphylline603-00-972 % similar Etofylline519-37-964 % similar Doxofylline69975-86-663 % similar Acefylline652-37-958 % similar Caffeine58-08-252 % similar Xanthinol nicotinate437-74-151 % similar Caffeine monohydrate5743-12-449 % similar Theofibrate54504-70-040 % similar Theophylline58-55-940 % similar 2-(Acetyloxy)benzoic acid mixt. with 3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione53908-20-638 % similar 3,7-Dihydro-1,3,7,8-tetramethyl-1H-purine-2,6-dione832-66-638 % similar Theacrine2309-49-138 % similar 1,3-Dimethylxanthine monohydrate5967-84-038 % similar 1-(3-Chloropropyl)theobromine74409-52-237 % similar Pentifylline1028-33-737 % similar Aminophylline317-34-036 % similar 3-Methyl-5-beta-D-ribofuranosyl-2,4(1H,3H)-pyrimidinedione81691-06-735 % similar Pentoxifylline6493-05-635 % similar IBMX28822-58-434 % similar