2-Mercaptoethyl ether2150-02-9100 % similar 1,4-Dioxane123-91-142 % similar 12-Crown-4294-93-942 % similar 15-Crown-533100-27-542 % similar Ethylene oxide75-21-842 % similar Propane-1,3-dithiol109-80-836 % similar Tetrahydrofuran109-99-936 % similar 1,4-Butanedithiol1191-08-836 % similar Oxetane503-30-036 % similar 1,6-Hexanedithiol1191-43-133 % similar 1,8-Octanedithiol1191-62-433 % similar 1,10-Decanedithiol1191-67-933 % similar 1,9-Nonanedithiol3489-28-933 % similar 1,5-Pentanedithiol928-98-333 % similar 1,1′-(1,2-Ethanediyl) bis(3-mercaptopropanoate)22504-50-330 % similar