17 alpha(H),21 alpha(H)-30-Norhopane, 50µg/mL in Isooctane, 1ml

Selenium (Se)

DL-Propranolol hydrochloride, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 318-98-9

2,4-D