| NO. | Name | CAS No. |
| 201 | 1,3-Dioxolane, 2-(5-chloropentyl)- | 114905-18-9 |
| 202 | 1,2:4,5-Di-O-isopropylidene-D,L-myo-inositol | 98974-89-1 |
| 203 | Methyl 2-Propynyl Ether | 627-41-8 |
| 204 | Propiolicacidbutylester | 13831-03-3 |
| 205 | 8-Nonyn-1-ol | 10160-28-8 |
| 206 | 7-OCTYN-1-OL | 871-91-0 |
| 207 | 6-Heptynoic acid | 30964-00-2 |
| 208 | 5-Chloro-1-pentyne | 14267-92-6 |
| 209 | 5-Hexyn-1-ol | 928-90-5 |
| 210 | 5-HEXYNOIC ACID | 53293-00-8 |
| 211 | Methyl 5-hexynoate | 77758-51-1 |
| 212 | 4-BroMobut-1-yne | 38771-21-0 |
| 213 | Pent-4-yn-1-ol | 5390-04-5 |
| 214 | 4-Pentynoic acid | 6089-09-4 |
| 215 | Ethyl pent-4-ynoate | 63093-41-4 |
| 216 | 1-Decyne | 764-93-2 |
| 217 | 2-Octyn-1-ol | 20739-58-6 |
| 218 | 5-CYANO-1-PENTYNE | 14918-21-9 |
| 219 | Ethyl 4,4-dimethylpent-2-ynoate | 79424-03-6 |
| 220 | 3-Butyn-1-ol | 927-74-2 |