Section 06 Products of the chemical or allied 29 Organic chemicals 29 37 Hormones; derivatives thereof used as hormones; other steroids 29 37 39 Other catecholamine hormones, their derivatives and structural analogues: 29 37 39 00 Other catecholamine hormones, their derivatives and structural analogues: Commodity Code Description 29 37 39 00 00 Other catecholamine hormones, their derivatives and structural analogues: