2,2'-DDE, 10 µg/ml, Cyclohexane, 10ml

2-n-Octylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 880-36-4

2-Bromopropionic acid methyl ester

Tartrazine (E 102), 1g