Perfluorooctane sulfonic acid, potassium salt,50 µg/mL,MeOH,1mL,

1,1,1,3,3,3-Hexamethyldisilazane, neat, Solvent-neat, Unit 10mL, # of units-1, Cas.no. 999-97-3

TFNA, 100 µg/ml, Acetonitrile, 1ml

Emodin-d4, 1mg