Dao, Phi Thi, et al. “Synthesis of 8-Methyl-2-O-Methyl-3,5-O-(1-Methyl Ethylidene)-6,7,8,9-Tetradeoxy-D-Gulo-6-Nonenonic Acid (6E)- -Lactone”. Vietnam Journal of Chemistry, vol. 53, no. 2e, Sept. 2015, doi:10.15625/6890.