Mass-Labelled PCB Solution, 1.2ml x 1000ng/ml, nonane

24-Ethyl-5ß(H)-cholestan-3ß-ol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 4736-91-8

Carvedilol, neat, Solvent-neat, Unit 100mg, # of units-, Cas.no. 72956-09-3

Potassium (K)