Section 06 Products of the chemical or allied industries 29 Organic chemicals 29 37 Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones. 29 37 23 Oestrogens and progestogens Commodity Code Description 29 37 23 00 Oestrogens and progestogens
