Internal/Injection Standards, 1.2ml, toluene

Sanguinarine, >98%, 20mg

Vardenafil dihydrochloride, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 224789-15-5

1,2,3,4-Tetrachloro[13C12]dibenzo-p-dioxin , 1.2ml x 50ug/ml, toluene