Synonyms: 8-((3-Aminopropyl)thio)caffeine hydrochloride;CAFFEINE, 8-((3-AMINOPROPYL)THIO)-, HYDROCHLORIDE;1H-Purine-2,6-dione, 3,7-dihydro-8-((3-aminopropyl)thio)-1,3,7-trimethyl-, hydrochloride;AC1L26HP;LS-48568;8-(3-aminopropylsulfanyl)-1,3,7-trimethyl-7H-purin-7-ium-2,6-dione chloride