1-(3-Chloro-4-methylphenyl)-3-methylurea, 100mg

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

PCB No. 31, certified, 25mg

Tri-o-cresyl phosphate, 100 µg/ml, Methanol, 5ml