摘要：My interview with Yu Fei, a senior tea art specialist of Wuyutai, took place at the second floor of Wuyutai＇s flagship store at Wangfujing, the most famous shopping street in Beijing. This teahouse is not only a place to drink tea, but also an exhibition space to display the history and tradition of Chinese tea culture. One of the most prominent exhibit is the old signboard made 127 years ago,inscribed with five Chinese calligraphic characters meaning ＂Wuyutai Tea Shop＂.

摘要：吡唑并嘧啶是一类具有广泛生物活性的杂环结构母体,同时,氮芥类药物被广泛应用于临床治疗癌症。本文基于药物设计的拼合原理,以简单易得的原料制备了取代吡唑并[1,5-a]嘧啶中间体,通过将其与苯胺氮芥组分进行拼接,合成了一系列新型吡唑并[1,5-a]嘧啶-氮芥化合物,并评估了目标化合物对五种不同肿瘤细胞(HepG2、SH-SY5Y、A549、MCF-7和DU145)的抗增殖活性。结果表明,化合物9a~9g对A549、HepG2和SH-SY5Y肿瘤细胞表现出很好的抑制活性,其中化合物9b的抑制活性分别为7.44、3.69和0.84μmol/L,活性高于参考药物索拉菲尼和美法仑。