3,4,4'-Trichloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

Metolachlor-d6 (propyl-d6),100 µg/mL,acetonitrile,1mL,

Perfluorohexane sulfonic acid, potassium salt, 50ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 3871-99-6

N-Nitroso-N-methylethylamine