Sodium 8-chloroperfluoro-1-octanesulfonate, 1.2ml x 50ug/ml, methanol

Citric acid [0.3% wt]

Progesterone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 57-83-0

2-Chlorotoluene