Lofentanil, 1mg

4-n-Octylphenol-d17, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Diltiazem hydrochloride,1000 µg base/mL,MeOH,1mL,

Tris(2-ethylhexyl) trimellitate, 250mg