Other organo-inorganic compounds:
| Subheading | Description | General | Special | Other |
|---|---|---|---|---|
| 2931.10 | Other organo-inorganic compounds | — | — | — |
| 2931.20 | Other organo-inorganic compounds | — | — | — |
| 2931.41 | Other organo-inorganic compounds | — | — | — |
| 2931.42 | Other organo-inorganic compounds | — | — | — |
| 2931.43 | Other organo-inorganic compounds | — | — | — |
| 2931.44 | Other organo-inorganic compounds | — | — | — |
| 2931.45 | Other organo-inorganic compounds | — | — | — |
| 2931.46 | Other organo-inorganic compounds | — | — | — |
| 2931.47 | Other organo-inorganic compounds | — | — | — |
| 2931.48 | Other organo-inorganic compounds | — | — | — |
| 2931.49 | Other organo-inorganic compounds | — | — | — |
| 2931.51 | Other organo-inorganic compounds | — | — | — |
| 2931.52 | Other organo-inorganic compounds | — | — | — |
| 2931.53 | Other organo-inorganic compounds | — | — | — |
| 2931.54 | Other organo-inorganic compounds | — | — | — |
| 2931.59 | Other organo-inorganic compounds | — | — | — |
| 2931.90 | Other: | — | — | — |