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

Dibenz[a,h]anthracene, 10mg

4''-Ethyl-2'-fluoro-4-propyl-1,1':4',1''-terphenyl, >98%, 1g

PCB No. 77, 100µg/ml in Isooctane, 1ml