Dibenzothiophene

Sodium perfluoro-1-hexanesulfonate, 1.2ml x 50ug/ml, methanol

Ethyl 4-hydroxybenzoate-ethyl d5, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 126070-21-1

2,3,6-Trimethylphenol, 100 µg/ml, Acetonitrile,