Vitamin A acetate,neat,neat,100mg,

Fenthion, 1000µg/ml in Hexane, 1ml

2,3,7,8-Tetrabromo[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Penicillin G, 1000µg/ml in MeOH, 1ml