Ciprofloxacin, 1000µg/mL in water, 1ml

N-Nitrosodiisooctylamine (Di-(2-ethylhexyl)amine), 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no.

Benzo[k]fluoranthene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 207-08-9

2,4-DB-methyl ester, 250mg