(±)-Naproxen-d3 (?-methyl-d3),neat,neat,10mg,

Endrin, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 72-20-8

3,5-Di-tert-butyl-4-hydroxybenzaldehyde, >98%, 25g

Perfluorokerosene (bp. 210-240) for Mass spectrometry, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no.