Ethion

Di-n-propyl phthalate-3,4,5,6-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 358731-29-0

Trifluoroacetic acid, 1ml

Caffeine, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 58-08-2