Ketoprofen, 100µg/ml in Acetonitrile, 5ml

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

1-Methylphenanthrene

5-Nitro-o-toluidine,100 µg/mL,acetonitrile,1mL,