Metoprolol (free base),neat,neat,50mg,

Diphenyl-m-tolyl phosphate,100 µg/mL,isooctane,1mL,

1,1,1,3,16,18,18,18-Octachlorooctadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

2,3,5,6-Tetrachloroterephthalic acid