What Does 4f-mdmb k2 infused paper Mean?

(B) at the least 3 of the next groups of substances typically Utilized in the manufacture of methamphetamine:(i) by substitution in the amine nitrogen atom from the sidechain to any extent with alkyl or alkenyl groups or by inclusion in the amine nitrogen atom from the side chain (and no other atoms from the side chain) within a cyclic structure;(2

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