Section 06 Products of the chemical or allied industries 29 Organic chemicals 29 37 Hormones...; derivatives and structural analogues thereof,... used as hormones; 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 00 000 Somatotropin, its derivatives and structural analogues