What defines a synthetic cannibinoid?

In RSMo. Section 195.010(40), Missouri defines a synthetic cannibinoid as follows:  (40) "Synthetic cannabinoid", includes unless specifically excepted or unless listed in another schedule, any natural or synthetic material, compound, mixture, or preparation that contains any quantity of a substance that is a cannabinoid receptor agonist, including but not limited to any substance listed in paragraph (ll) of subdivision (4) of subsection 2 of section 195.017 and any analogues, homologues; isomers, whether optical, positional, or geometric; esters; ethers; salts; and salts of isomers, esters, and ethers, whenever the existence of the isomers, esters, ethers, or salts is possible within the specific chemical designation, however, it shall not include any approved pharmaceutical authorized by the United States Food and Drug Administration; Thank you,  Andrew D. PopplewellEng & Woods Law Firm903 E. AshColumbia, MO 65201573-874-4190573-874-4192 (fax)apopplewell@engandwoods.com This answer does not create an attorney/client relationship.