| NO. | Name | CAS No. |
| 221 | 3-Butyn-2-ol | 2028-63-9 |
| 222 | 11-Dodecyn-1-ol | 18202-10-3 |
| 223 | 13-TETRADECYN-1-OL | 18202-12-5 |
| 224 | 9-Tetradecyn-1-ol | 60037-69-6 |
| 225 | 11-HEXADECYN-1-OL | 65686-49-9 |
| 226 | 7-DODECYN-1-OL | 41862-94-6 |
| 227 | Cyclopentanemethanol, α-ethynyl-α-methyl- | 100144-29-4 |
| 228 | 4-Hexynoic acid | 41143-12-8 |
| 229 | 5-Hexynoic acid, ethyl ester | 108545-38-6 |
| 230 | 1-Methyl-2-propyn-1-yl 5-hexynoate | 491862-64-7 |
| 231 | tert-butyl hex-5-ynoate | 73448-14-3 |
| 232 | 3-Hexyne-1,6-diol | 85655-98-7 |
| 233 | 1,4-Pentadien-3-ol | 922-65-6 |
| 234 | pent-4-yn-2-ol | 2117-11-5 |
| 235 | 2-METHYL-4-PHENYL-3-BUTYN-2-OL | 1719-19-3 |
| 236 | 3-Ethoxyprop-1-yne | 628-33-1 |
| 237 | AMBRETTOLIDE | 7779-50-2 |
| 238 | Trimethylsilylacetylene | 1066-54-2 |
| 239 | Leaf alcohol | 928-96-1 |
| 240 | 3-(4-morpholinyl)-1-propyne | 5799-76-8 |