(g) Temporary listing of substances subject to emergency scheduling. Any material, compound, mixture or preparation which contains any quantity of the following substances:
N-[1-benzyl-4-piperidyl]- N-phenylpropanamide (benzylfentanyl), its optical isomers, salts and salts of isomers
N-[1-(2-thienyl)methyl- 4-piperidyl]-N-phenylpropanamide (thenylfentanyl), its optical isomers, salts and salts of isomers
