1. Short title This Act may be cited as the Stopping Overdoses of Fentanyl Analogues Act . 2. Fentanyl Analogues Section 202(c) of the Controlled Substances Act ( 21 U.S.C. 812 ) is amended— (a) by adding at the end of subsection (b) of Schedule I the following: (23) Acetyl fentanyl 4-methylphenethyl. (24) Acrylfentanyl. (25) 4-fluorobutyrylfentanyl. (26) 4-fluoroisobutyryl fentanyl. (27) 3-furanyl fentanyl. (28) Isobutyryl fentanyl. (29) Meta-fluorofentanyl. (30) Methoxyacetyl fentanyl. (31) 4-methoxybutyrfentanyl. (32) Ocfentanil. (33) Ortho-fluorofentanyl. (34) Tetrahydrofuranyl fentanyl. (35) Valeryl fentanyl. ; and (b) by adding at the end of Schedule I the following: (e) (1) Unless specifically exempted or unless listed in another schedule, any material, compound, mixture, or preparation which contains any quantity of fentanyl analogues, or which contains their salts, isomers, and salts of isomers whenever the existence of such salts, isomers, and salts of isomers is possible within the specific chemical designation. (2) In paragraph (1), the term fentanyl analogues includes any compound structurally derived from fentanyl— (A) by replacement of the phenyl portion of the phenethyl group by any monocycle, whether or not further substituted in or on the monocycle; (B) by substitution in or on the phenethyl group with alkyl, alkenyl, alkoxy, hydroxy, halo, haloalkyl, amino or nitro groups; (C) by substitution in or on the piperidine ring with alkyl, alkenyl, alkoxy, ester, ether, hydroxy, halo, haloalkyl, amino or nitro groups; (D) by replacement of the aniline ring with any aromatic monocycle whether or not further substituted in or on the aromatic monocycle; or (E) by replacement of the N-propionyl group by another acyl group. .