Perfluoro-n-tridecanoic acid, 1.2ml x 50ug/ml, methanol

Di-p-tolylphenyl phosphate-d14 (p-tolyl-d7),100 µg/mL,isooctane,1mL,

Butyric acid, 250μg/ml in Water, 1ml

4-Ethyltoluene, 100 µg/ml, Methanol, 1ml