Variation of tetrahydrocannabinol (THC), the psychoactive component in cannabis, K2/Spice is a combination of plant content sprayed with artificial psychoactive substances. Typically looks like potpourri and generally labeled “not for human intake. PB-22 and 5F-PB-22 ended up the initial artificial cannabinoids to incorporate a quinoline substructure and an ester linkage. https://k2-herbal-incense37256.vigilwiki.com/6413399/the_5_second_trick_for_k2_spice_las_vegas