Section 06 Products of the chemical or allied 30 Pharmaceutical products 30 06 Pharmaceutical goods specified in note 3 to this chapter 30 06 30 Opacifying preparations for x-ray examinations; diagnostic reagents... Commodity Code Description 30 06 30 00 Opacifying preparations for x-ray examinations; diagnostic reagents... 30 06 30 10 Barium sulphate, of a kind taken orally 30 06 30 20 Reagents of microbial origin, of a kind suitable for veterinary biological diagnosis 30 06 30 30 Other microbial diagnostic reagents 30 06 30 90 Other
