Metronidazole-hydroxy, 10mg

Dibenzo[b,ghi]perylene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 5869-30-7

Violanthrone, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 116-71-2

Caffeine,100 µg/mL,MeOH,1mL,