4-tert-Octylphenol, 100µg/ml in MeOH, 1ml

Asulam, 10.0 µg/ml, Acetonitrile, 10ml

N6-Benzoyl-5’-O-(4,4’-dimethoxytrityl)-2’-deoxyadenosine, 1g

Citric acid [0.3% wt]