Benzidine

1,2,4,5-Tetrabromobenzene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 636-28-2

Senecionine, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 130-01-8

Nitrite (NO2-) as N