4H-Cyclopenta[def]phenanthren-4-one,1000 µg/mL,toluene,1mL,

1-Hexanethiol, neat, Solvent-neat, Unit 5mL, # of units-1, Cas.no. 111-31-9

d4 C27 alpha alpha alpha (20R)-Cholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 205529-74-4

1,2,8-Trimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 20291-75-2