Seneciphylline, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 480-81-9

n-Nonadecane, ?13C: -34.60, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 629-92-5

Ornidazole,neat,neat,50mg,

5ß(H)-Pregnane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 481-26-5