3,3',4,4'-Tetrabromodiphenyl ether, 1.2ml x 50ug/ml, nonane

trans-Pinic acid,50 µg/mL,MeOH,1mL,

2,4-D methyl ester

2,3,4,5,6-Pentachlorophenol-13C6, 1000µg/ml in Isopropanol, 1ml