Guanin, 25g

1,2-Dichlorotridecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 701920-72-1

Thiocyclam hydrogenoxalate, 100mg

Heptaldehyde, 1000µg/ml in Acetone, 1ml