Mass-Labelled PCB Extraction Standards, 1.2ml, nonane

rac-(1R,2R,5R,6R,9S,10S)-5,6-dibromo-1,10,11,, 1.2ml x 50ug/ml, toluene

2-Methylbutyl acetate

Eplerenon,1000 µg/mL,MeOH,1mL,