Huy L Đức, Diệp NT, Thảo PT, Hùng L Đức. Tổng hợp 21-acetat pregn-4,9(11)-dien-17α,21-diol-3,20-dion. VJChem [Internet]. 2014 Sep. 17 [cited 2024 May 3];52(4):443. Available from: https://vjs.ac.vn/index.php/vjchem/article/view/0866-7144.2014-0009