2-Chloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

Diphenanthro[9,10-b;9',10'-d]thiophene, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 202-72-2

Clofentezine, 100 µg/ml, Methanol, 5ml

Formaldehyde (10 ppm)