Internal Standard Stock Solution, 1.2ml, nonane

4-Methyldiphenylsulfide, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3699-01-2

(+)-13a-Hydroxylupanine, 1mg

rac Normetanephrine-d3 Hydrochloride, 1mg