Heptachlor endo-epoxide, 10.0 µg/ml, Cyclohexane,

1,8-Naphthalic anhydride, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 81-84-5

Omeprazole, 1000µg/ml in MeOH, 1ml

Tri-n-butyltin-d27 chloride, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1257647-76-9