9817.29.01 | | Cyclic organic chemical products in any physical form having an aromatic or modified aromatic structure, however provided for in chapter 29 (but excluding 2,3-dihydroxynaphthalene-6-sulfonic acid, sodium salt), to be used in the manufacture of photographic color couplers; photographic color couplers (but excluding 2,3-dihydroxynaphthalene-6-sulfonic acid, sodium salt) (all the foregoing goods however provided for in chapter 29 or in subheading 3707.90.31, 3707.90.32 or 3707.90.60) | | Free | | The rate applicable in the absence of this heading |