Sulcotrione, 100 µg/ml, Acetonitrile, 5ml

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

all-trans 4-Keto Retinoic Acid, 5mg

Limestone, 70g