D5-Atrazine, 100 µg/ml, Acetone, 1ml

2-Methyl-1-nitronaphthalene-d9, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Telmisartan-d3,ca. 100 µg/mL,MeOH,1mL,

Sulfite (SO32-),1000µg/mL in Water, 3 x 20ml