13C3-Atrazine-desethyl-desisopropyl, 100 µg/ml, M

2,3-Dichlorobiphenyl (5)

2-Phenylphenol, 10.0 µg/ml, Ethyl acetate, 10ml

(±)-Chlorpheniramine-d6 maleate (N,N-dimethyl-d6),1000 µg base/mL,MeOH,1mL