(1) The following controlled substances are included in schedule 4:

    (a) Any material, compound, mixture, or preparation containing any quantity of the following substances having a potential for abuse associated with a depressant effect on the central nervous system, including their salts, isomers, and salts of isomers if the existence of the salts, isomers, and salts of isomers is possible within the specific chemical designation:

Barbital	Flurazepam
Chloral Betaine	Lorazepam
Chloral Hydrate	Mebutamate
Chlordiazepoxide	Meprobamate
Clonazepam	Methohexital
Clorazepate	Methylphenobarbital
Dextropropoxyphene	Oxazepam
Diazepam	Paraldehyde
Ethchlorvynol	Petrichloral
Ethinamate	Phenobarbital
Flunitrazepam	Prazepam

(b) Any material, compound, mixture, or preparation containing any quantity of the following substances having a potential for abuse associated with an effect on the central nervous system, including their salts, optical, positional, or geometric isomers, and salts of the isomers if the existence of the salts, isomers, and salts of isomers is possible.

    Fenfluramine

    (c) Any material, compound, mixture, or preparation containing any quantity of the following substances having a potential for abuse associated with a stimulant effect on the central nervous system, including their salts, optical, positional, or geometric isomers, and salts of the isomers if the existence of the salts, isomers, and salts of isomers is possible within the specific chemical designation.

    Diethylpropion

    Phentermine

    Pemoline, including organometallic complexes and chelates of pemoline.

    Cathine

    Some trade and other names:

    d-norpseudoephedrine

    (2) The administrator may except by rule any compound, mixture or preparation containing any substance listed in subsection (1) from the application of all or any part of this article if the compound, mixture or preparation contains 1 or more active medicinal ingredients not having a depressant or stimulant effect on the central nervous system and if the admixtures are in combinations, quantity, proportion, or concentration that vitiate the potential for abuse of the substances having a depressant or stimulant effect on the central nervous system.