Thiacloprid, 10μg/ml in Acetonitrile, 10ml

2,3-Dibromo-7,8-dichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

Fenbutatin oxide, 100 µg/ml, Methanol, 1ml

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