| 1 | 277-05-4 | Tricyclo(5.1.0.0(2,4))octane | C8H12 | 108.18088 | | |
| 2 | 277-06-5 | DIEPOXYCYCLOHEXANE | C6H8O2 | 112.13 | | |
| 3 | 277-10-1 | cubane | C8H8 | 104.15 | 130-131° (sealed capillary) | |
| 4 | 277-22-5 | Azuleno[4,5-b]oxirene (9CI) | C10H6O | 142.15 | | |
| 5 | 277-26-9 | Benzo[3,4]cyclooct[1,2-b]oxirene (9CI) | C12H8O | 168.19 | | |
| 6 | 277-43-0 | 1H-Cyclopropa[a]naphthalene | C11H8 | 140.18 | | |
| 7 | 277-50-9 | naphthalene 1,2-oxide | C10H6O | 142.15 | | |
| 8 | 277-61-2 | Pentaleno[1,2-b]oxirene (9CI) | C8H4O | 116.12 | | |
| 9 | 277-64-5 | Oxireno[3,4]pyrrolo[1,2-b]isoxazole(9CI) | C6H3NO2 | 121.09 | | |
| 10 | 277-67-8 | Cycloprop[a]indene | C10H6 | 126.15 | | |
| 11 | 277-81-6 | Azuleno[1,2-b]oxirene (9CI) | C10H6O | 142.15 | | |
| 12 | 277-84-9 | 3,9-Dioxatricyclo[6.1.0.02,4]nonane (8CI,9CI) | C7H10O2 | 126.15 | | |
| 13 | 277-86-1 | 3,10-Dioxatricyclo[7.1.0.02,4]decane | C8H12O2 | 140.18 | | |
| 14 | 277-87-2 | Tricyclo[6.2.0.03,6]decane | C10H16 | 136.23 | | |
| 15 | 277-96-3 | 2H-Cyclopropa[3,4]naphth[1,2-b]oxirene (9CI) | C11H6O | 154.16 | | |
| 16 | 277-97-4 | Naphtho[1,2-b:3,4-b']bisoxirene (9CI) | C10H4O2 | 156.14 | | |
| 17 | 277-98-5 | Cyclobuta[b]naphthalene | C12H8 | 152.19192 | | |