^Filer CN, Nugent RP, Huang BS. The synthesis of [fluorophenyl-3H(N)] ocfentanil and [fluorophenyl-3H(N)] brifentanil. Journal of Labelled Compounds and Radiopharmaceuticals. November 1995, 36 (11): 1019–1027. ISSN 1099-1344. doi:10.1002/jlcr.2580361102.
^关于印发《非药用类麻醉药品和精神药品列管办法》的通知. China Food and Drug Administration. 27 September 2015 [1 October 2015]. (原始内容存档于1 October 2015) (中文).