Liu Lei, Zhang Ping, Ethan, Dong Yuhuan, Synthesis, Crystal Structure and Structural Chemistry of 4- phenyl -2- p-methoxyphenyl-1, 5- benzothiazepine-α, α-dimethyl-β-lactam, 2002,21,545-548.
Zhang Ping, Liu Lei, Ethan, Dong Yuhuan, 1, 5- benzothiazepine-α, α-dimethyl-β-lactam derivatives, synthesis, characterization and crystal structure, Organic Chemistry, 2003,23 (6), 574-577.
Zhang Ping, Sun Na, Yu Jingmin, Liu Lei, Li Yuan, 1, TLC separation and content determination of 5- benzothiazepine-α-amino-β-lactam, Journal of Hebei Normal University (Natural Science Edition), 2000,24 (3), 35 1-352.