2917.19.20

Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives: Other: Maleic acid; succinnic acid derived in whole or in part from maleic anhydride or from cyclohexane; glutaric acid derived in whole or in part from cyclopentanone; andanhydrides, halides, peroxides, peroxyacids and other derivatives of adipic acid, of fumaric acid derived in whole or in part from aromatic hydrocarbons, of maleic acid, of succinnic acid derived in whole or in part from maleic anhydride or from cyclohexane or of glutaric acid derived in whole or in part from cyclopentanone, not elsewhere specified or included: Products described in additional U.S. note 3 to section VI