2-(2-methoxyethoxy)ethanol,4-methylbenzenesulfonic acid

1-(2-iodoethoxy)-2-methoxyethane

2-Hydroxymethylthieno[2,3-b]-thiophene

thieno[2,3-b]thiophene-2-carboxaldehyde ethylene glycol acetal

methyl [3-(2-dioxolanyl)-thiophene-2-ylthio]acetate