 |
| Portuguese | German |
| 1,1,1,2,3,3,3-heptafluoropropano | 1,1,1,2,3,3,3-Heptafluorpropan |
| 1,2,3,6-tetra-hidro-N-1,1,2,2-tetracloroetiltioftalimida | CaptafolISO |
| 1,2,3,6-tetra-hidro-N-1,1,2,2-tetracloroetiltioftalimida | 1,2,3,6-Tetrahydro-N-1,1,2,2-tetrachlorethylthio |
| 1,2,3-Tricloropropano | 1,2,3-Trichlorpropan |
| 1,2,3-trimetilbenzeno | Mesitylen |
| 1,2,3-trimetilbenzeno | 1,3,5-Trimethylbenzol |