2,3,4,6-Tetrabromo[13C6]phenol, 1.2ml x 100ug/ml, toluene

5-Nitro-o-toluidine,100 µg/mL,acetonitrile,1mL,

Dinoterb, 100 µg/ml, Acetonitrile, 1ml

U{13C18}-Sterigmatocystine, 25µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no.