Fenfuram, 100 µg/ml, Acetonitrile, 5ml

Bis(4-tert-butylphenyl) phenyl phosphate, 1.2ml x 50ug/ml, toluene

Imbentin-N/050 (n= ca 2-8)

Hexachlorobenzene (13C6, 99%), 100µg/ml in Nonane, 1,2ml