(R)-(+)-Limonene, 100µg/ml in MeOH, 5ml

TOC standard, 200mg/l in H2O, 500ml

3,4-Dichlorocatechol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 3978-67-4

Ethyl benzoylformate, 250mg