Phenoxymethylpenicillin, 250mg

Chlordene Plus, 1.2ml x 50ug/ml, toluene

Caffeine,neat,neat,100mg,

GC-IRMS Standards ((C25 (?13C: -28.21); C30 (?13C: -28.60); C36 (?13C: -26.15); C40 (?13C: -27.05)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no.