Section 06 Products of the chemical or allied 29 Organic chemicals 29 37 Hormones; derivatives thereof used as hormones; other steroids 29 37 11 Somatotropin, its derivatives and structural analogues 29 37 11 00 Somatotropin, its derivatives and structural analogues Commodity Code Description 29 37 11 00 00 Somatotropin, its derivatives and structural analogues