WS Formaldehyde

n-Pentadecane, ?13C: -30.22, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 629-62-9

Clindamycin hydrochloride,100 µg/mL,MeOH,1mL,

n-Decane, 100 µg/ml, Hexane, 10ml