Section 06 Products of the chemical or allied 29 Organic chemicals 29 18 Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives 29 18 17 - - 2,2-Diphenyl-2-hydroxyacetic acid (benzilic acid) Commodity Code Description 29 18 17 00 - - 2,2-Diphenyl-2-hydroxyacetic acid (benzilic acid)