Lactic acid

1,2,3,4,7,8-Hexachlorodibenzofuran ,50 µg/mL,n-nonane,1mL,

N-Nitrosopiperazine, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 5632-47-3

Hexachlorocyclopentadiene