【序号】4 【题目】Synthesis and Properties of a Twistophane Ion Sensor: A New Conjugated Macrocyclic Ligand for the Spectroscopic Detection of Metal Ions 【作者】Paul N. W. Baxter 【期刊】J. Org. Chem., 【年,卷,期,页码】2001, 66 (12), pp 4170–4179 【全文链接】http://pubs.acs.org/doi/abs/10.1021/jo001777d