以L - 精氨酸 、 L - 甘氨酸、L - 天门氨酸为原料, 采用二环己基碳二亚胺(DCC)法合成了Arg-Gly-Asp ( RGD ). Takintg L - Arginine, L - Glycine and L - Aspartate as a raw material, used DCC coupling method to synthesize Arg - Gly - Asp ( RGD ).
即是人民的守卫者,也是人民的朋友.To be a friend as well as a guardian of the people.这些忠实的守卫者似乎不愿交出他们的宝藏.These faithful guardians seemed unwilling to surrender their treasure.城堡坚定的守卫者们抵御了敌人的围攻.The castle's staunch defenders kept the...