Previous Article Next Article Table of Contents Journal of the American Chemical Society, Vol.127, No.26, 9378-9379, 2005 DOI10.1021/ja052312d Export Citation Steric effects in hula-twist photoisomerization. 1,4-dimethyl- and 2,3-dimethyl-1,4-diphenylbutadienes Yang LY, Liu RSH, Wendt NL, Liu J Please enable JavaScript to view the comments powered by Disqus.