(A)
The term “scheduled listed chemical product” means, subject to subparagraph (B), a product that—
(i)
contains ephedrine, pseudoephedrine, or phenylpropanolamine; and
(ii)
may be marketed or distributed lawfully in the United States under the Federal, Food, Drug, and Cosmetic Act [21 U.S.C. 301 et seq.] as a nonprescription drug.
Each reference in clause (i) to ephedrine, pseudoephedrine, or phenylpropanolamine includes each of the salts, optical isomers, and salts of optical isomers of such chemical.