Ethofumesate, 100µg/mL in Acetonitrile, 1ml

D(-​)​-​Isoascorbic Acid (Erythorbic Acid), 10g

2-Hydroxy-5,6,7,8-tetrahydrocarbazole, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 13314-79-9

Fluoranthene, 100 µg/ml, Cyclohexane, 1ml