2,4-D, 100µg/mL in Acetonitrile, 1ml

Ethyl pentanoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 539-82-2

2,3',4,4',5,5'-Hexachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 52663-72-6

Desacetyl cephapirin sodium salt, 10mg