… Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as …
Explanatory notes
… by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as … its derivatives and structural analogues 2937.12 - - Insulin and its salts 2937.19 - - Other - … and structural analogues 2937.90 - Other This heading includes : (I) Natural hormones, which are active …