Sulfadimethoxine-d4, 1mg

2,4,6-Tribromobiphenyl, 1.2ml x 50ug/ml, nonane

1,1,1-Trichloroacetone

Custom mix of thiophenes,two components in toluene: 0938.8 Benzothiophene 0.2mg/mL 0884.12 Dibenzothiophene 0.4mg/mL