Metoprolol (free base),neat,neat,50mg,

17?(H),21?(H)-(22RS)-Trishomohopane,100 µg/mL,isooctane,1mL,

ßß-Carotane, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17161-33-0

3-n-Hexadecylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 119269-24-8