1-Octyn-3-ol, 4-ethyl- 1-Octyne-3-ol, 4-ethyl- 4-Ethyl-1-octyn-3-0l 4-Ethyl-1-octyn-3-ol 4-Ethyloct-1-yn-3-ol 5877-42-9 EINECS 227-545-9 Ethyloctynol NSC 62119