2,3-Dichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

2-n-Octylphenol-mono-ethoxylate, 100 µg/ml, Aceto

(E,Z)-Methomyl-d3 (N-methyl-d3),100 µg/mL,acetonitrile,1mL,

1,4-Dichlorobenzene