| Label | Id | |
|---|---|---|
| Acetylen | 27518 | |
| Azetylen | 27518 | |
| C2H2 | 27518 | |
| CH#CH | 27518 | |
| Ethin | 27518 | |
| Ethyne | 27518 | |
| HC#CH | 27518 | |
| HCCH | 27518 | |
| Narcylen | 27518 | |
| [CH(CH)] | 27518 | |
| ethyne | 27518 | |
| vinylene | 27518 |
| Label | Id | |
|---|---|---|
| Acetylen | 27518 | |
| Azetylen | 27518 | |
| C2H2 | 27518 | |
| CH#CH | 27518 | |
| Ethin | 27518 | |
| Ethyne | 27518 | |
| HC#CH | 27518 | |
| HCCH | 27518 | |
| Narcylen | 27518 | |
| [CH(CH)] | 27518 | |
| ethyne | 27518 | |
| vinylene | 27518 |