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

Crude Oil Standard n-Hydrocarbons C5-C9

Sodium stearate, 1g

2,2',3,3',4',5,6,6'-Octachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane