2,3',4',5'-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,

Metoprolol tartrate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 56392-17-7

Methyl tetracosanoate (C24:0)

Chlorophenols Standard