sathuba (śāktuka),sringiba (śriṅgika),kalakupta (kālakūṭa),serkya (ser skya),and ‘the poison that resembles yellow honey' (sbrang rtsi ser po lta ba'i dug); [Source: Carmen Simioli/Alchemical Gold and the Pursuit of the Mercurial Elixir ; An Analysis of Two Alchemical Treatises from the Tibetan Buddhist Canon In: Asian Medicine]