A General Synthesis of Furo[3,2-c][1,2,4]triazolo[1,5-a]azepine and Furo[2,3-f][1,2,4]triazolo[1,5-a]azepine Derivatives - Meng, Qingqing; Bai, Hexiang; Wang, Quanrui; Tao, Fenggang (Synthesis, 2007)