Celiprolol, 10.0 µg/ml, Acetonitrile, 10ml

Ranitidine, 1000µg/mL in MeOH, 1ml

d4 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no.

2,2',4,4',5-Pentabromodiphenyl ether, 1.2ml x 50ug/ml, nonane