Efavirenz-13C6

2,6-Di-tert-butyl-4-methylphenol (2,6-Bis(1,1-dimethylethyl)-4-methylphenol), neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 128-37-0

1,2,3,4,6,7,8-Heptabromodibenzo-p-dioxin, 1.2ml x 25ug/ml, toluene

Spiking Standard 3