(8) Piperazines The substances listed in this paragraph consist of the following piperazines: (A) 1,4-Dibenzylpiperazine. (B) 1-(4-Bromo-2,5-dimethoxybenzyl)piperazine. (C) 1-(4-Fluorophenyl)piperazine. (D) 1-(2-Methoxyphenyl)piperazine. (E) 1-(4-Chlorophenyl)piperazine. (F) 1-(4-Methoxyphenyl)piperazine. (G) 1-(3-Methylbenzyl)piperazine. (H) 1-Benzyl-4-methylpiperazine. (9) Tropane and alkaloids The substances listed in this paragraph consist of the following tropane alkaloids: (A) 8-Methyl-8-azabicyclo[3.2.1]oct-3-yl 4-fluorobenzoate. (B) Methyl 3-(4-fluorophenyl)-8-methyl-8-azabicyclo[3.2.1]octane-2-carboxylate. (b) Inapplicability of other process and considerations The Attorney General of the United States may carry out subsection (a) without regard to the process and considerations that are otherwise applicable under section 201 of the Controlled Substances Act ( 21 U.S.C. 811 ) for adding, removing, or transferring controlled substances to, from, or among the schedules under section 202(c) of such Act ( 21 U.S.C. 812(c) ). (c) Exemption for research (1) Exemption Notwithstanding subsection (a), a material, compound, mixture, or preparation described in such subsection shall not be treated as a controlled substance for purposes of the Controlled Substances Act ( 21 U.S.C. 801 et seq.) so long as the material, compound, mixture, or preparation is manufactured, distributed, and used exclusively for qualified research. (2) Qualified research defined In this subsection, the term qualified research means research (as such term is used in section 303(f) of the Controlled Substances Act ( 21 U.S.C. 823(f) )) that is conducted by a practitioner who is registered under such section 303(f) to conduct research with controlled substances in schedule II, III, IV, or V (as described in such section 303(f)). (d) Rule of construction Nothing in this section shall be construed to limit or affect the authority of the Attorney General of the United States to add, remove, or transfer controlled substances to, from, or among