Primisulfuron-methyl, 100 µg/ml, Acetonitrile, 5

Formaldehyde, 1000µg/ml in MeOH, 1ml

Acetylsalicylsalicylic acid, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 530-75-6

Nitrite (NO2-) as N