Tri-o-cresyl phosphate, 100 µg/ml, Methanol, 5ml

rac 3,4-Dihydroxyphenylethylene Glycol, 10mg

2,4'-DDT

2,2',3,3',4,4',6,6'-Octachlorobiphenyl,100 µg/mL,isooctane,1mL,