Pendimethalin, 100 µg/ml, Cyclohexane, 1ml

2,2',4',5-Tetrabromo-4-methoxydiphenyl ether, 1.2ml x 50ug/ml, nonane

n-Heneicosane, ?13C: -28.59, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 629-94-7

Tetrahydro-5-methyl-2-furanMeOH,1000 µg/mL,MeOH,1mL