On November 16,2010,Peking Opera was proclaimed as the Masterpiece of Intangible Cultural Heritage of Humanity by UNESCO at its 5th session of the Intergovernme
The title compound 2 was synthesized by the reaction of 3-keto-D-xylose with O-C6H4NH2NH2 and characterized by IR, NMR and HRMS, and its crystal structure was d