1,1,1,2-Tetrachloroethane, 1000 µg/ml, Methanol,

(±)-Ibuprofen-d3 (?-methyl-d3),1000 µg/mL,MeOH,1mL,

Hexachlorocyclopentadiene

N-(4-chlorophenyl)-N'-(3,4-dichlorophenyl)urea , 1.2ml x 50ug/ml, methanol