Synonyms: Theophylline, 8-(aminomethyl)-, monohydrochloride;8-Aminomethyl-1,3-dimethylxanthine hydrochloride;1H-Purine-2,6-dione, 8-(aminomethyl)-3,7-dihydro-1,3-dimethyl-, monohydrochloride;8-(aminomethyl)-1,3-dimethyl-3,7-dihydro-1h-purine-2,6-dione hydrochloride(1:1);8-(Aminomethyl)-3,7-dihydro-1,3-dimethyl-1H-purine-2,6-dione monohydrochloride;35718-21-9;AC1L4YWF;AC1Q3EPX;AR-1H4028;LS-126524;8-(aminomethyl)-1,3-dimethyl-7H-purine-2,6-dione hydrochloride;8-(aminomethyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione hydrochloride (1:1)