Section 06 Products of the chemical or allied 30 Pharmaceutical products 30 06 Pharmaceutical goods specified in note 4 to this chapter 30 06 93 -- Placebos and blinded (or double-blinded) clinical trial kits for a recognised clinical trial, put up in measured doses. Commodity Code Description 30 06 93 00 -- Placebos and blinded (or double-blinded) clinical trial kits for a recognised clinical trial, put up in measured doses.