参考文献：Fluorescent Probes Based on Nucleophilic Substitution– Cyclization for Hydrogen Sulfide Detection and Bioimaging Bo Peng,[a] Wei Chen,[a] Chunrong Liu,[a] Ethan W. Rosser,[a] Armando Pacheco,[a] Yu Zhao,[a] Hector C. Aguilar,[b] and Ming Xian*[a]，Chem. Eur. J. 2014, 20, 1010 – 1016，http://dx.doi.org/10.1002/chem.201303757