1-Hydroxyibuprofen, 100 µg/ml, Acetonitrile, 1ml

alpha-Amyrine, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 638-95-9

Ethanol standard in water,1.0g/L,water, 1.5mL

2-Amino-4-nitrotoluene, 250mg