Furosemide-d5, 1mg

2,3,4,4'-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Metoprolol tartrate, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 56392-17-7

2,4,5-TP methyl ester