对甲苯磺酰氧甲基膦酸二乙酯

9-(2-羟乙基)腺嘌呤

[(2-氯乙氧基)甲基]膦酸二乙酯

6-aminopurine

diethyl ((2-(6-chloro-9H-purin-9-yl)ethoxy)methyl)phosphonate