Picloram, 100 µg/ml, Acetonitrile, 5ml

2,2',3,6,6'-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL,

Furosemide-d5 (furfuryl-d5),neat,neat,5mg,

4-Chlorobenzoic acid, 250mg