Synthesis of Spiropyran with BOC Protective Function and Research of Photochromism
GU Ling-yan, ZHANG Qing, SHENG Qiao-rong, XUE Min-zhao, LIU Yan-gang
Imaging Science and Photochemistry . 2008, (2): 81 -87 .  DOI: 10.7517/j.issn.1674-0475.2008.02.81