Metazachlor, 100 µg/ml, Acetonitrile, 5ml

Carbazole-d8, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 97960-57-1

p-Cresol

(6)Helicene, racemic mixture of two enantiomers, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 187-83-7