2-Chloro-7H-purin-6-amine 2-Chloro-1H-purin-6-amine, 6-Amino-2-chloro-9H-purine, 6-Amino-2-chloropurine, 2-Chloro-6-aminopurine, 6-Amino-2-chloropurine, 2-Chloroadenine (USP),2-Chloro-7H-purin-6-amine