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

Theophylline, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 58-55-9

Simetryn, 100 µg/ml, Acetonitrile, 5ml

Bisphenol E, 100mg