1-Penten-4-yn-3-ol, 5-chloro-3-ethyl- 26839-80-5 4-01-00-02315 (Beilstein Handbook Reference) 5-Chloro-3-ethyl-1-penten-4-yn-3-ol 5-Chloro-3-ethylpent-1-en-4-yn-3-ol BRN 1751153 EINECS 248-035-2