trans-1,4-Dichloro-2-butene

n-C15/n-C20, Pentadecane/Eicosane (Integration control) 1500 µg Pentadecane and 1000 µg Eicosane in 1mL isooctane n-Pentadecane/n-Eicosane = 3:2

Dibenz[a,h]anthracene, 10mg

Lomefloxacin hydrochloride,neat,neat,100mg,