Precision and Recovery Solution, 1.2ml, isooctane

4,4'-Dichlorobenzhydrol

4,4-Dimethylheptane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 1068-19-5

Pholcodine-N,N'-dioxide, neat, Solvent-neat, Unit 2,5mg, # of units-1, Cas.no.