6 7 8 4 2 3
- 4 4a 5 6 7 8 hexahydronaphthalen 2 3h )- one
- 7 8 9 x 4 5 6 1 2 3
- 7 8 6 x 4 5 6 1 2 3
- 6 7 8 minus 2 3 4
- 6 7 8 divided by 2 3 4
- 4 4a 5 6 7 8 hexahydro 2 3h )- naphthalenone
- 2 3 4 6 7 8-hxcdd
- 2 3 4 6 7 8-hexachloro dibenzofuran
- 8 7 x 6 5 4 3 2
- 4 7 8 x 2 3 6
- 6 3 4 2 7 8 as a fraction
- 2 3 4 6 7 8-hex cdf
- 2 3 4 6 7 8 hxcdf cas
- 5 6 7 8 vs 1 2 3 4
- Digits 2 3 4 6 7 8 are arranged in the following blanks