Melamine, 250mg

2-Benzotriazole-2-yl-4,6-di-tert-butylphenol, 25g

2',3',4',5'-Tetrachloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene

n-Pentyltri-n-butyltin,1000 µg/mL,isooctane,1mL