Custom PAH Mix, 6 anal., in MeOH, 4,5ml Certan

1,2,3,4,7,8,9-Heptachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

(±)-Sotalol-d7 hydrochloride (iso-propyl-d7)

n-Propylbenzene, 1000µg/ml in MeOH, 1ml