SEARCH Articles Figures Tables Diacetylene Diacetylene Single Crystals Diacetylene crystal structure Diacetylene crystals reflectivity Diacetylene polymer crystals Diacetylene single crystal polymers Diacetylene single crystal polymers disubstituted Diacetylenes Disubstituted diacetylene single crystal Poly-diacetylene crystals Polymer Single Crystals Diacetylenes