Methotrexate hydrate, 100mg

2,2',4,5',6-Pentabromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 59080-39-6

p,p'-(13C12)Methoxychlor, 100µg/ml in Nonane, 1,2ml

D2-Dimethyl fumarate, 100 µg/ml, Acetonitrile, 1