Sulfamethazine, 100 µg/ml, Methanol, 1ml

Alachlor OA, 10mg

Heptanedioic-2,2,6,6-d4 acid,neat,neat,500mg,

4-Chlorophenol-2,3,5,6-d4,1000 µg/mL,isopropanol,1mL,