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以来源于“三氮唑核苷”生产中副产物的次黄嘌呤为原料，经氯化、氨解两步反应合成６苄氨基嘌呤，总收率为５３３％。
Hypoxanthine, a byproduct of the production of “ribavirin”, was used as raw material. After 6-benzylaminopurine was synthesized by two steps of chlorination and ammonolysis, the total yield was 533%.