… Organo-sulphur compounds. …
Explanatory notes
… or nitrogen, those of metals or other non-metals (such as sulphur, arsenic, lead, iron, etc.) directly linked to carbon. Heading 29.30 (organo-sulphur compounds) and heading 29.31 (other organo-inorganic … platelets or powder. An amino acid. Essential component in human nutrition, not synthesised by the body. (2) Dimethyl …