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

3-Methylindole, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 83-34-1

9-n-Octylcarbazole, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 4041-19-4

Oxytetracycline 13C22,15N2 dried down 2.5 µg/mL, 5 x 1ml