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

2',3,4,4',5-Pentachlorobiphenyl (123)

3-Ethyloctane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5881-17-4

Trifluoroacetic acid, 1ml