Diltiazem hydrochloride,1000 µg base/mL,acetonitrile,1mL,

Sodium benzoate

1,1-Diethoxyethane, neat, Solvent-neat, Unit 5mL, # of units-1, Cas.no. 105-57-7

Desmedipham, 100μg/ml in MeOH, 5ml