Volf K, Pitr K
Ustav soudního lékarství FN, Plzen.
Soud Lek. 1992 Nov;37(4):62-3.
Many a drug was identified by thin layer chromatography when using tetramethyldiaminodiphenylmethan (TDM) as a universal reagent subsequently to chlorination. This non-carcinogenic compound yields a characteristical tint with all the drugs and their metabolites.