2,3',5,5'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Stavudine, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 3056-17-5

3-Bromo-4'-fluorodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 50904-38-6

Ammonia as (NH4+)