Jongrungruanngchok, S.; Aree, T.; Surerum, S.; Kittakoop, P. Crystal Structure of 2-(2-Carboxy-4-hydroxy-6-methoxyphenoxy)-3, 5-dichloro-6-hydroxy-4-methylbenzoic acid 1-Methyl ester. Chinese J. Struct. Chem. 2013, 32(11), 1742-1748.

Yingyongnarongkul, B. E.; Kumpun, S.; Chimnoi, N. C-25 Epimeric 26-Haloponasterone A: Synthesis, Absolute Configuration and Moulting activity. Steroids 2005, 7, 636-644.

Anti-cancer potentials of Gynura procumbens leaves extract against two canine mammary cancer cell lines. Jermnak U, Supsavhad W, Kunakornsawat S, Jaroensong T, Watcharasit P, Visitnonthachai D, Pairor S, Phaochoosak N. Vet Med Sci. 2022 Jan;8(1):69-84.