2-Nitrophenol, 500mg

Procymidone, 1000µg/ml in Acetone, 1ml

Riboflavin-13C,15N2, 1mg

2,3,3,3-Tetrafluoro-2-(1,1,2,2,3,3,3-heptafluoropropoxy)propanoic acid, 50µg/ml in MeOH, 1,2ml