Section 06 PRODUCTS OF THE CHEMICAL OR ALLIED INDUSTRIES 29 Organic chemicals 29 18 Carboxylic acids with additional oxygen function and their anhydrides, halides, 29 18 17 2,2-Diphenyl-2-hydroxyacetic acid (benzilic acid) 29 18 17 00 2,2-Diphenyl-2-hydroxyacetic acid (benzilic acid) Commodity Code Description 29 18 17 00 00 2,2-Diphenyl-2-hydroxyacetic acid (benzilic acid)