Pentachlorobenzene,100 µg/mL,cyclohexane,1mL,

2,3’,4,4’-Tetrachlorobiphenyl (66)

trans-Urocanic acid, 100mg

n-Propyl 4-hydroxybenzoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 94-13-3