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

3,5-Dinitrotoluene, 100µg/ml in MeOH, 5ml

Syringic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 530-57-4

Ampicillin trihydrate, 100mg