| 1 | 268-19-9 | 1H,7H-Dicyclopenta[b,e][1,4]dioxin | C10H8O2 | 160.17 | | |
| 2 | 268-19-9 | 1H,7H-Dicyclopenta[b,e][1,4]dioxin | C10H8O2 | 160.17 | | |
| 3 | 268-30-4 | 5H,10H-Dipyrrolo[1,2-a:1,2-d]pyrazine | C10H10N2 | 158.2 | | |
| 4 | 268-32-6 | 4H,9H-Dipyrazolo[1,5-a:1,5-d]pyrazine | C8H8N4 | 160.18 | | |
| 5 | 268-33-7 | 1H,6H-Dipyrazolo[1,5-a:1,5-d]pyrazine (8CI,9CI) | C8H8N4 | 160.18 | | |
| 6 | 268-34-8 | 5H,10H-Diimidazo[1,2-a:1,2-d]pyrazine | C8H8N4 | 160.18 | | |
| 7 | 268-40-6 | 1H-cyclopenta[b]naphthalene | C13H10 | 166.22 | | |
| 8 | 268-48-4 | 2H-Benz[f]isoindole | C12H9N | 167.21 | | |
| 9 | 268-58-6 | 1H-benzo[f]indole | C12H9N | 167.21 | 190-192 °C | |
| 10 | 268-60-0 | 6H-Pyrrolo[2,3-g]quinoxaline | C10H7N3 | 169.18 | | |
| 11 | 268-66-6 | Naphth[2,3-c]isoxazole (8CI,9CI) | C11H7NO | 169.18 | | |
| 12 | 268-77-9 | naphtho[2,3-b]thiophene | C12H8S | 184.26 | | |
| 13 | 268-84-8 | 4H-Cyclopenta[b]quinoline | C12H9N | 167.21 | | |
| 14 | 268-93-9 | 1H-Pyrazolo[3,4-b]quinoline | C10H7N3 | 169.18 | 159-161 °C(Solv: ethanol (64-17-5)) | |
| 15 | 268-95-1 | Furo[2,3-b]quinoline | C11H7NO | 169.17938 | | |
| 16 | 268-97-3 | THIENO(2,3-B)QUINOLINE | C11H7NS | 185.24 | 105-106 °C | |
| 17 | 268-98-4 | Cyclopenta[b][1]benzopyran | C12H8O | 168.19 | | |