Syntheses and Dyes Complexation Properties of Multiple-azo Calix[4]arene Derivatives Containing Thiourea Groups
Yan Zhenxia, Guo Hongyua, Yang Fafu, Yuan Jin
Chin. J. Org. Chem. . 2016, (5): 1088 -1093 .  DOI: 10.6023/cjoc201511031