The 1,3,5-heptatriyne molecule CH3C6H, aka methyltriacetylene, has been identified in spectra recorded toward TMC-1 by
A. R. Remijan, J. M. Hollis, L. E. Snyder, P. R. Jewell, and F. J. Lovas,
Methyltriacetylene (CH<sub>3</sub>C<sub>6</sub>H) toward TMC-1: Presently the Largest Detected Symmetric Top
Astrophys. J. 643, L37–L40 (2006).
Contributor(s): H. S. P. Müller; 4, 2006