| Label | Id | |
|---|---|---|
| 1-butyn-3-one | 48060 | |
| CH3COC#CH | 48060 | |
| WURCS=2.0/3,6,5/[h2122h_2*NCC/3=O][a1122h-1b_1-5][a1122h-1a_1-5]/1-2-3-3-3-3/a4-b1_b3-c1_b6-d1_d3-e1_e2-f1 | 148060 | |
| ethynyl methyl ketone | 48060 | |
| methyl ethynyl ketone | 48060 | |
| acetylacetylene | 48060 | |
| acetylethyne | 48060 |