Nothing in this chapter shall apply to any compound, mixture, or preparation containing any depressant or stimulant drug in schedule II or in subsection (a) of schedule III or in schedule IV or V if: (1) the compound, mixture, or preparation contains one or more active medicinal ingredients not having a depressant or stimulant effect on the central nervous system, and (2) these ingredients are included in the compound, mixture or preparation in such combinations, quantity, proportion, or concentration as to vitiate the potential for abuse of the drugs which do have a depressant or stimulant effect on the central nervous system.