Demeton-S-methyl-sulfoxide, 100 µg/ml, Toluene,

13C3-Caffeine, 10mg

2-Methyl-2-(methylnitrosamino)-1-propanol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 27646-81-7

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