(b) Every person who uses or possesses any synthetic stimulant compound specified in subdivision (c), or any synthetic stimulant derivative, is guilty of a public offense, punishable as follows:

1. (1) A first offense is an infraction punishable by a fine not exceeding two hundred fifty dollars ($250).
2. (2) A second offense is an infraction punishable by a fine not exceeding two hundred fifty dollars ($250) or a misdemeanor punishable by imprisonment in a county jail not exceeding six months, a fine not exceeding five hundred dollars ($500), or by both that fine and imprisonment.
3. (3) A third or subsequent offense is a misdemeanor punishable by imprisonment in a county jail not exceeding six months, or by a fine not exceeding one thousand dollars ($1,000), or by both that fine and imprisonment.

(c) Unless specifically excepted, or contained within a pharmaceutical product approved by the United States Food and Drug Administration, or unless listed in another schedule, subdivisions (a) and (b) apply to any material, compound, mixture, or preparation which contains any quantity of a substance or analog of a substance, including its salts, isomers, esters, or ethers, and salts of isomers, esters, or ethers whenever the existence of such salts, isomers, esters, or ethers, and salts of isomers, esters, or ethers is possible, that is structurally derived from 2-amino-1-phenyl-1-propanone by modification in one of the following ways:

1. (1) By substitution in the phenyl ring to any extent with alkyl, alkoxy, alkylenedioxy, haloalkyl, or halide substituents, whether or not further substituted in the phenyl ring by one or more other univalent substituents.
2. (2) By substitution at the 3-position with an alkyl substituent.
3. (3) By substitution at the nitrogen atom with alkyl or dialkyl groups, or by inclusion of the nitrogen atom in a cyclic structure.