Flumetralin, 250mg

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

Thorium (Th)

2-Hydroxyatrazine, 100µg/mL in MeOH:AC (98:2),1ml