hexacycle

Noun

 * 1)  Any hexacyclic compound
 * Aldrichimica Acta Volume 30 No 4 (pdf) from Sigma-Aldrich
 * The corresponding 1,3,4-thiadiazole 108 produces the thia-bridged hexacycle 109 on treatment with norbornadiene 1 either thermally or under high pressure.