(±)-Atenolol-d7 (N-isopropyl-d7),100 µg/mL,MeOH,1mL,

Phenol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 108-95-2

Tri-n-pentyltin chloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 3342-67-4

Perfluoro-n-decanoic acid, 1.2ml x 50ug/ml, methanol