5,5-bis((prop-2-yn-1-yloxy)methyl)-1,3-di(thiophen-2-yl)-5,6-dihydro-4H-cyclopenta[c]thiophene

2,2-dimethyl-5,5-bis(3-(thiophen-2-yl)prop-2-yn-1-yl)-1,3-dioxane