6,8-二羟基-2-甲基巯基嘌呤

8-chloro-N,N-dimethyl-2-methylsulfanyl-7H-purin-6-amine

2,6-bis(sulfanylidene)-7,9-dihydro-3H-purin-8-one

6-chloro-2-methylsulfanyl-7,9-dihydropurin-8-one

6,8-dichloro-2-methylsulfanyl-7H-purine