(+)-Catechin, 500mg

Prothiofos, 100 µg/ml, Toluene, 1ml

7H-Perfluoroheptanoic acid, 50µg/ml in MeOH, 5ml

Tetrahexylammonium bromide, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 4328-13-6