Fensulfothion, 10.0 µg/ml, Acetonitrile, 10ml

rac 3-Hydroxyisobutyric Acid, 1mg

U{13C7}-Patulin, 25µg/mL, Solvent-acetonitrile, Unit 1,2mL, # of units-1, Cas.no.

Ethyl acetate, 5ml