Nuclear magnetic resonance spectroscopic analysis of impurities in alfentanil hydrochloride injection*
HUANG Tao, LÜ Zhen-xing, LIU Chen-xi, ZHANG Xu, ZENG Dan-yun, DU Tian-peng
Chinese Journal of Pharmaceutical Analysis . 2026, (2): 345 -353 .  DOI: 10.16155/j.0254-1793.2025-0603