2,3,4,5-Tetrachlorophenol, 100 µg/ml, Methanol,

Furosemide, 100µg/ml in Acetonitrile, 5ml

(S)-(+)-Pregabalin-d4 (aminomethyl d2; hexanoic acid-2,2-d2)

5,5-Diphenylhydantoin, 250mg