Melatonin,1000 µg/mL,MeOH,1mL,

Anthracene-d10, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1719-06-8

2,3',5-Tribromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 59080-35-2

Fenuron, 250mg