Picene, 10µg/ml in Cyclohexene, 10ml

Methyl 4,7,10,13,16-docosapentaenoate (all-cis), 1000µg/mL in Isooctane, 1ml

Phthalic acid, bis-2-n-butoxyethyl ester, certified, 0.1g

Pentachlorophenol, 10µg/mL in MeOH, 10ml