Gao, Tian, Jingyu Yan, Chang-Cheng Liu, Angelina S. Palma, Zhimou Guo, Min Xiao, Xi Chen, Xinmiao Liang, Wengang Chai, and Hongzhi Cao. "{Chemoenzymatic Synthesis of O-Mannose Glycans Containing Sulfated or Nonsulfated HNK-1 Epitope.}." Journal of the American Chemical Society. 141 (2019): 19351-19359.