Spiking Standard 4

1,4-Dimethyl-5-propylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 204256-08-6

D4-Salicylic acid, 100mg

3-Chloro-1,2-propandiol-2-monolinoleate