MTBE, 1000µg/ml in MeOH, 5ml

Formic acid, 1000mg

n-Pentyl 4-hydroxybenzoate-d11, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1216496-15-9

3-Epi-25-Hydroxyvitamin D2, 50μg/ml, 1ml