Dichloroisoeverninic acid, 10mg

4-Methylethcathinone hydrochloride, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 1225617-18-4 (free base)

2,2',4,4',6-Pentabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

Benzo[a]chrysene, neat, Solvent-neat, Unit 2mg, # of units-1, Cas.no. 213-46-7