Section 06 Products of the chemical or allied 29 Organic chemicals 29 37 Hormones; derivatives thereof used as hormones; other steroids 29 37 21 Cortisone, hydrocortisone... and predisolone (dehydrohydrocortisone) 29 37 21 00 Cortisone, hydrocortisone... and predisolone (dehydrohydrocortisone) Commodity Code Description 29 37 21 00 00 Cortisone, hydrocortisone... and predisolone (dehydrohydrocortisone)