Hexachlorobenzene, 250mg

Coumarin-d4, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 185056-83-1

4-Methylbenzophenone, 1000mg

4-tert-Butylphenyldiphenyl phosphate,50 µg/mL,toluene,1mL,