25-Hydroxyvitamin D3-[d3], 50μg/ml, 1ml

Naphthalene, 10μg/ml in Cyclohexane, 10ml

2-Chlorophenol-3,4,5,6-d4,1000 µg/mL,isopropanol,1mL,

3-Methoxy-DL-tyrosine, 10mg