12-Hydroxystearic acid,1000 µg/mL,chloroform,1mL,

Nicotinic acid, Stock solution system check EN12260, 1000µg/mL, Solvent-water, Unit 75mL, # of units-1, Cas.no. 59-67-6

Phosmet-oxon, 50mg

Benzo[a]pyrene,400µg/mL,cyclohexane,0.5mL,