4-Epichlortetracycline hydrochloride, 5mg

2-Phenylbenzthiazole, neat, Solvent-neat, Unit 10MG, # of units-24, Cas.no. 883-93-2

Phenacetin,1000 µg/mL,acetonitrile,1mL,

Violaxanthin (Mixture of Diastereomers), 1mg