Keywords 6-Benzylthiopyrimidine;Polyphosphoric acid;Debenzylation;Mercaptopurine;Thiazolo[5;4-d]pyrimidine;

• 关键词取代6-苄硫基嘧啶;多聚磷酸;脱苄基;巯基嘌呤;嘧啶并[5;4-d]噻唑;