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FDU-NNE1 structure.png
Legal status
Legal status
Chemical and physical data
Molar mass394.449 g·mol−1
3D model (JSmol)

FDU-NNE1 (also known as FDU-NNEI and FDU-MN-24) is an indole-based synthetic cannabinoid that is presumed to be a potent agonist of the CB1 receptor and has been sold online as a designer drug.[1][2] Given the known metabolic liberation (and presence as an impurity) of amantadine in the related compound APINACA, it is suspected that metabolic hydrolysis of the amide group of FDU-NNE1 will release 1-naphthylamine, a known carcinogen.

See also[edit]


  1. ^ "FDU-NNEI". Cayman Chemical. Retrieved 23 July 2015.
  2. ^ Nahoko Uchiyama; Yoshihiko Shimokawa; Ruri Kikura-Hanajiri; Yosuke Demizu; Yukihiro Goda; Takashi Hakamatsuka (February 2015). "A synthetic cannabinoid FDU-NNEI, two 2H-indazole isomers of synthetic cannabinoids AB-CHMINACA and NNEI indazole analog (MN-18), a phenethylamine derivative N–OH-EDMA, and a cathinone derivative dimethoxy-α-PHP, newly identified in illegal products". Forensic Toxicology. 33 (2): 244–259. doi:10.1007/s11419-015-0268-7. PMC 4525202. PMID 26257833.