| 1 | 185-00-2 | 1,9-Dioxa-3,5,11,13-tetraazadispiro[5.1.5.1]tetradeca-2,4,10,12-tetraene | C8H8N4O2 | 192.17 | | |
| 2 | 185-06-8 | 2-oxaspiro[3,5]nonane | C8H14O | 126.2 | | |
| 3 | 185-13-7 | 2-Selenaspiro[3.5]nonane (8CI,9CI) | C8H14Se | 189.15676 | | |
| 4 | 185-18-2 | 1-oxaspiro[3.5]nonane | C8H14O | | | |
| 5 | 185-22-8 | 7-Oxa-4-azoniaspiro[3.5]nonane (8CI,9CI) | C7H14NO | 128.192 | | |
| 6 | 185-50-2 | 5-Azaspiro[2.4]heptane Trifluroacetate | C6H11N | 97.16 | | |
| 7 | 185-60-4 | 1-oxaspiro[2.4]heptane | C6H10O | 98.14 | | |
| 8 | 185-61-5 | 1,5-Dioxaspiro[2.4]heptane | C5H8O2 | 100.12 | | |
| 9 | 185-65-9 | SPIRO[2.5]OCTANE | C8H14 | 110.2 | | |
| 10 | 185-69-3 | 1-Azaspiro[2.5]octane | | | | |
| 11 | 185-70-6 | Methylenecyclohexaneoxide | C7H12O | 112.17 | | |
| 12 | 185-72-8 | 1,6-Dioxaspiro[2.5]octane | C6H10O2 | 114.14 | | |
| 13 | 185-73-9 | 1-Oxa-6-thiaspiro[2.5]octane | C6H10OS | 130.2 | | |
| 14 | 185-75-1 | 1,5-Dioxaspiro[2.5]octane | C6H10O2 | 114.14 | | |
| 15 | 185-79-5 | 3,3-Pentamethylenediazirine | C6H12N2 | 112.17 | | |
| 16 | 185-80-8 | 1-Oxa-2-azaspiro[2.5]octane | C6H11NO | 113.16 | | |
| 17 | 185-85-3 | 1-OXASPIRO[2.6]NONANE | C8H14O | 126.19 | | |
| 18 | 185-88-6 | 1-Oxaspiro[2.7]decane | | | | |
| 19 | 185-90-0 | 1-Oxaspiro[2.8]undecane | C10H18O | 154.25 | | |
| 20 | 185-94-4 | Bicyclo[2,1,0]pentane | C5H8 | 68.12 | 25°C | |