Diethylene glycol

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

O-Acetylsalicylic anhydride, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1466-82-6

5-Hydroxy L-Tryptophan, 250mg