Giang, P.M., Hong Dung, L.T. and Son, P.T. 2014. Chemical transformation of Ent-Kaurane-type diterpenoids from Croton tonkinensis Gagnep. I - Hydrolysis, acetylation, and oxydation of Ent-18-acetoxy-7beta-hydroxykaur-165-en- 15-one. Vietnam Journal of Chemistry. 45, 3 (Sep. 2014), 382. DOI:https://doi.org/10.15625/4773.