5719-20-0
2-(ethylthio)thieno[3,4-d]pyrimidin-4(3H,5H,7H)-one
→
74901-71-6
2,4-二氯-5,7-二氢噻吩并[3,4-d]嘧啶
2689-68-1
4-氧四氢噻酚-3-羧酸甲酯
7400-45-5
3-[(2-甲氧基-2-乙氧基)硫醇]甲基丙酸
5719-34-6
噻吩并[3,4-d]嘧啶-2,4(1H,3H,5H,7H)-二酮