Keywords: Hept-2-yne 200.svg validSVG Structure of hept-2-yne Struktur von 2-Heptin Own 2014-03-28 Emeldir <span class signature-talk >talk</span> Chemical structure verified https //upload wikimedia org/wikipedia/commons/1/10/Hept-2-yne_200 svg 1S/C7H12/c1-3-5-7-6-4-2/h3 5 7H2 1-2H3 AMSFEMSYKQQCHL-UHFFFAOYSA-N 1119-65-9 214-285-6 PD-chem Heptynes Linear alkynes |