Synthesis and structure determination of pyrazine-containing macrocyclic polyazomethines
Liang Chun Wu, Long Qing Liu, Hai Shan Jin, Ming Liang Ma, Xiao Li Zhao, Ke Wen
Chinese Chemical Letters . 2010, (10): 1263 -1266 .  DOI: 10.1016/j.cclet.2010.05.017