D8-Ciprofloxacin hydrochloride hydrate, 100 µg/ml,

Heptafluorobutyric anhydride, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 336-59-4

n-Dodecane, ?13C: -32.54, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 112-40-3

2,8-Dichloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene