Oxygen electrolyte solution (230mL) for MW600

O-Desmethyl tramadol hydrochloride , 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no.

2,2',3,3',4,5,5',6,6'-Nonabromodiphenyl ether, 1.2ml x 50ug/ml, toluene

D4-Propyl paraben, 100 µg/ml, Methanol, 1ml