a drug, substance, or immediate precursor which is included in Schedules I through V inclusive, as set forth in Heath and Safety Code Sections 11054 through 11058. These would include heroin, marijuana, amphetamines, barbiturates, and psychedelics.
A drug or other substance, or immediate precursor thereof, listed in 21 USC 812. General categories included in this section are narcotics, derivatives of the cannabis sativa plant, amphetamines, barbiturates, and hallucinogens.
a drug or chemical substance whose possession and use are controlled by law