P. T. Dao, D. T. Mai Huong, L. T. Phuong, C. V. Minh, and P. V. Cuong, “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”, VJChem, vol. 53, no. 2e, Sep. 2015.