14443-37-9
6,8-二羟基-2-甲基巯基嘌呤
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5453-09-8
8-chloro-2-methylsulfanyl-3,7-dihydropurine-6-thione
15986-31-9
2-巯基嘌呤-6,8-二醇
98141-45-8
6,8-dichloro-2-methylsulfanyl-7H-purine