Isobutylparaben, 100mg

n-Triacontane, ?13C: -28.60, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 638-68-6

(R)-(-)-Metalaxyl-d6, 100µg/ml in Acetonitrile, 1ml

Disulfoton sulfone, 1000µg/ml in MeOH, 1ml