W. Va. Code § 60A-2-212
(b) Narcotic drugs containing nonnarcotic active medicinal ingredients. Any compound, mixture or preparation containing any of the following narcotic drugs or their salts calculated as the free anhydrous base or alkaloid in limited quantities as set forth below, which shall include one or more nonnarcotic active medicinal ingredients in sufficient proportion to confer upon the compound, mixture or preparation valuable medicinal qualities other than those possessed by the narcotic drug alone.
Not more than 200 milligrams of codeine per 100 milliliters or per 100 grams;
Not more than 100 milligrams of dihydrocodeine per 100 milliliters or per 100 grams;
Not more than 100 milligrams of ethylmorphine per 100 milliliters or per 100 grams;
Not more than 2.5 milligrams of diphenoxylate and not less than 25 micrograms of atropine sulfate per dosage unit;
Not more than 100 milligrams of opium per 100 milliliters or per 100 grams; and
Not more than 0.5 milligrams of difenoxin and not less than 25 micrograms of atropine sulfate per dosage unit.
(c) Stimulants:
Pyrovalerone.
(e) Depressants:
Ezogabine [N-[2-amino-4-94-fluorobenzylamino)-phenyl]-carbamic acid ethyl ester];
Ganaxolone (3α-hydroxy-3β-methyl-5α-pregnan-20-one);
Lacosamide [(R)-2-acetoamido- N -benzyl-3-methoxy-propionamide]; and
Brivaracetam ((2S)-2-[(4R)-2-oxo-4-propylpyrrolidin-1-yl] butanamide) (also referred to as BRV; UCB-34714; Briviact).
(f) Other substances:
Gabapentin;
Pregabalin;
Cenobamate; and
Lasmiditan.