L-Tryptophan, 100mg

1-(4-Hydroxyphenyl)ethanone  , neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 99-93-4

Difenacoum, 10 µg/ml, Acetonitrile, 10ml

alpha alpha alpha (20S)-Cholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 41083-75-4