2-Nitropyrene, 200ug/mL in Toluene, 1ml

Monobenzyl phthalate, 1000µg/mL, Solvent-dichloromethane/cyclohexane, Unit 1mL, # of units-1, Cas.no. 2528-16-7

Melatonin,1000 µg/mL,MeOH,1mL,

2-Bromobutyric acid