Spectinomycin sulfate hydrate, certified, 0.1g

(24R)-24-Ethylcholest-8(14)-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 108881-85-2

m-Cresol-d8, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 302911-90-6

Ibuprofen, 100μg/ml in MeOH, 1ml