Metribuzin DA, 10μg/ml in Acetonitrile, 10ml

Dibutyltin-d18 dichloride, 1000µg/ml in IO, 1ml

N-?Ethylperfluorooctanesulfo?namide,50 µg/mL,acetonitrile,1mL,

Thymohydroquinone, 100mg