@article{Sekharan2016, author = "Sivakumar Sekharan and Keiji Morokuma", title = "{Why 11-cis-Retinal? Why Not 7-cis-, 9-cis-, or 13-cis-Retinal in the Eye?}", year = "2016", month = "2", url = "https://acs.figshare.com/articles/journal_contribution/Why_11_i_cis_i_Retinal_Why_Not_7_i_cis_i_9_i_cis_i_or_13_i_cis_i_Retinal_in_the_Eye_/2578873", doi = "10.1021/ja208789h.s001" }