Clarithromycin, 1000µg/ml in MeOH, 1ml

2-Methyl-1-nitronaphthalene, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 881-03-8

BTEX (20 µg/mL)

2,3,7-/2,3,8-Trimethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 153524-16-4 / '212332-91-7