1-CHLORO-3-ETHYL-1-PENTYN-3-OL 1-Pentyn-3-ol, 1-chloro-3-ethyl- 3-Pentanol, 3-(chloroethynyl)- 4-01-00-02255 (Beilstein Handbook Reference) 7490-90-6 BRN 1746829 Chlordiethynol Diethyl chloroethyne carbinol NSC 14252 NSC 81878