对于α-氨基仍采用Fmoc保护策略, 侧链氨基用二碳酸二叔丁酯引入叔丁氧羰基来保护,侧链胍基用酸敏感保护基2,2, 4,6,7-五甲基二氢苯并呋喃-5-磺酰基来保护. Fmoc, Boc and Pbf were used respectively to protect α - amido, side amido and side guanidine group.
Red - crowned Crane S between 200 yuan, which were later discounted.丹顶鹤标间在200元左右, 这都是打折以后的.Qiqihar is home to the red - crowned crane .齐齐哈尔是 丹顶鹤 的故乡.Shoes of Red - crowned Crane Brand help you walk in a natural and unres...
目的: 观察 板蓝根 含片的解热镇痛及 抗炎 作用.Objective : To observe antipyretic - analgesic and anti - inflammatory effects of Banlangen Buccal Tablets ( BBTs ).目的: 制定喉咽清 含片 的质量标准.Objective : To establish the quality standard for Houyanqin...