| 262-12-4 | DIBENZO-P-DIOXIN | C12H8 O2 |
| 262-05-5 | 10H-Phenoselenazine | C10H9NSe |
| 262-07-7 | Phenazasiline | C12H9NSi |
| 262-20-4 | Phenoxathiin | C12H8OS |
| 262-24-8 | phenoxatellurine | C12H8 O Te |
| 262-29-3 | Phenothiatellurin(8CI,9CI) | C12H8 S Te |
| 262-30-6 | Selenanthrene (8CI,9CI) | C12H8 Se2 |
| 262-38-4 | 1H,4H,6H,8H,11H,13H-[1,2,4,5]Tetrazino[1,2-d:4,5-d']bis[1,2,4,5]dioxadiazine(9CI) | C6H12 N4 O4 |
| 262-99-7 | phenhomazine | C14H10 N2 |