(±)-Betaxolol-d7 hydrochloride (N-iso-propyl-d7)

Heptachlor-exo-epoxide, 100 µg/ml, Acetonitrile,

Ethofumesate, 100µg/mL in Acetonitrile, 1ml

2-(4-Nonylphenoxy)acetic acid isomer mixture,10 µg/mL,isooctane,1mL,