Penicillin G Potassium Salt, 250mg

m-Phenylenediamine, 100mg

EPN, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 2104-64-5

alpha-Methylstyrene, 200 µg/ml, Methanol, 1ml