15N3-Atrazine, 100 µg/ml, Acetonitrile, 1ml

2’,3,5-Trichlorobiphenyl

(+/-)-Atenolol-d7 (isopropyl-d7), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 29122-68-7

Di-n-propyl phthalate-3,4,5,6-d4,1000 µg/mL,isooctane,1mL