1,2-Dibromo-3-chloropropane 200 µg/mL in Methanol, analytical standard (Supelco)

1,2,4,5-Tetramethylbenzene, analytical standard

1,2,4,5-Tetrachlorobenzene 1000 µg/mL in Acetonitrile, analytical standard (Supelco)

2,4,5-Trichlorophenol 5000 µg/mL in Methanol, analytical standard (Supelco)

2,5-Dimethylphenol, analytical standard (Supelco)

Iofetamine hydrochloride, analytical standard

Sotalol hydrochloride, analytical standard

1,2,4-Trimethylbenzene, analytical standard (Supelco)

2,4-Dimethylaniline, analytical standard (Supelco)

2,4-Diaminotoluene, analytical standard (Supelco)