Benzoisothiazol-3-one-13C6, 0,5mg

L-Glutamic-d5 acid, 1000µg/ml in 0.1M HCl, 1ml

2,6-Dibromodiphenyl ether,50 µg/mL,isooctane,1mL,

O,O-Diethyldithiophosphate-13C4, sodium salt