Quantitative determination of alfentanil hydrochloride injection by proton nuclear magnetic resonance spectroscopy*
LÜ Zhen-xing, HUNG Tao, LIU Chen-xi, ZHAO Ya-ping, ZHANG Xu, ZENG Dan-yun, DU Tian-peng
Chinese Journal of Pharmaceutical Analysis . 2025, (7): 1191 -1196 .  DOI: 10.16155/j.0254-1793.2024-1121