Synthesis and Property of Symmetrical Bispyridylthienylethenes Photochromic Compound
SUN Aibing, YU Chuanming, HU Bingcheng
Chinese Journal of Applied Chemistry . 2015, (12): 1431 -1436 .  DOI: 10.11944/j.issn.1000-0518.2015.12.150147