2,2',4,4',5,5'-Hexabromobiphenyl,50 µg/mL,isooctane,1mL,

2,3',4,4',5-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

2-Nitrotoluene, 100 µg/ml, Methanol, 5ml

L-Fucitol