Quinmerac, 100µg/ml in Acetonitrile, 5ml

2,3-Dibromo-7,8-dichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

V, 1000 µg/mL in 2% HNO3, 100ml

2,4-Dichlorodibenzofuran, 1.2ml x 50ug/ml, nonane