2-Nitrotoluene, 250mg

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

2,2',4,5',6-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL,

2-Methyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 20928-02-3