Clothianidin, 100 µg/ml, Acetonitrile, 5ml

tert-Butylphenyldiphenyl phosphate, techn. isomer mixture,neat,neat,100mg,

Extended Calibration/Low Level Solution ((CS1)/2) , 500ul, nonane

(±)-Atenolol,100 µg/mL,MeOH,1mL,