Section 06 Products of the chemical or allied 29 Organic chemicals 29 36 Provitamins and vitamins, natural or reproduced by synthesis (including natural concentrates), derivatives thereof used primarily as vitamins, and intermixtures of the foregoing, whether or not in any solvent Commodity Code Description 29 36 21 - - Vitamins A and their derivatives 29 36 22 - - Vitamin B1 and its derivatives 29 36 23 - - Vitamin B2 and its derivatives 29 36 24 - - D-or DL-Pantothenic acid (Vitamin B5) and its derivatives 29 36 25 - - Vitamin B6 and its derivatives 29 36 26 - - Vitamin B12 and its derivatives 29 36 27 - - Vitamin C and its derivatives 29 36 28 - - Vitamin E and its derivatives 29 36 29 - - Other vitamins and their derivatives 29 36 90 - Other, including natural concentrates