Caffeine,100 µg/mL,MeOH,1mL,

Triphenyl phosphate, 100 µg/ml, Methanol, 1ml

Clindamycin hydrochloride, 1g

N-(2-Hydroxyethyl)-N-methylperfluorooctane sulfonamide,50 µg/mL,acetonitrile,1mL,