V, 1000 µg/mL in 2% HNO3, 100ml

ß alpha alpha (20R)-Cholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 481-20-9

Biphenyl-d10, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1486-01-7

13C3-Nitrofurantoin, 5mg