100047-42-5
6-methylsulfanyl-1,2-dihydropyrazolo[3,4-d]pyrimidin-3-one
→
~77%
1306829-95-7
3-bromo-6-methylsulfanyl-2H-pyrazolo[3,4-d]pyrimidine
5909-24-0
4-氯-2-甲硫基嘧啶-5-羧酸乙酯