2,2’,3,3’,4,4’,5,5’-Octachlorobiphenyl (194)

502.2 Volatile Organic std., 0,2mg/ml in MeOH, 1ml

Chlormequat-chloride D4, 100µg/mL in DO, 1ml

(±)-Ketoconazole-d4 (3,3,5,5-piperazine-d4) (cis-isomers),neat,neat,5mg