TRAN, Ha Thai Chau; LU , Thien Phuc; NGUYEN , Uy Khang; TA , Trung Tin; KIM , Thi Thu Trinh; TRAN, Viet Hung; TRUONG , Ngoc Tuyen. DEVELOPMENT AND VALIDATION OF LC-MS/MS FOR ANALYZING POTENTIAL GENOTOXIC IMPURITY ETHYL-(E/Z)-3-(2- CARBETHOXY-2-CYANOETHENYL) AMINO-1H-PYRAZOL-4- CARBOXYLAT IN ALLOPURINOL. Cantho Journal of Medicine and Pharmacy, [S. l.], n. 69, p. 164–171, 2023. DOI: 10.58490/ctump.2023i69.976. Disponível em: https://tapchi.ctump.edu.vn/index.php/ctump/article/view/976. Acesso em: 11 jul. 2026.